Land, K. C., & Zheng, H. (2010). Sample Size, Optimum Allocation, and Statistical Power Analysis. In P. V. Marsden & J. D. Wright (Eds.), Handbook of Survey Research, Second Edition (pp. 199–220). Emerald Group Publishing Ltd.

Land, Kenneth C., and Hui Zheng. “Sample Size, Optimum Allocation, and Statistical Power Analysis.” In Handbook of Survey Research, Second Edition, edited by Peter V. Marsden and James D. Wright, 199–220. Emerald Group Publishing Ltd., 2010.

Land KC, Zheng H. Sample Size, Optimum Allocation, and Statistical Power Analysis. In: Marsden PV, Wright JD, editors. Handbook of Survey Research, Second Edition. Emerald Group Publishing Ltd.; 2010. p. 199–220.

Land, Kenneth C., and Hui Zheng. “Sample Size, Optimum Allocation, and Statistical Power Analysis.” Handbook of Survey Research, Second Edition, edited by Peter V. Marsden and James D. Wright, Emerald Group Publishing Ltd., 2010, pp. 199–220.

Land KC, Zheng H. Sample Size, Optimum Allocation, and Statistical Power Analysis. In: Marsden PV, Wright JD, editors. Handbook of Survey Research, Second Edition. Emerald Group Publishing Ltd.; 2010. p. 199–220.