ScienceDirect (Online service), Krishnaiah, P. R., & Rao, C. R. (1988). Sampling. North-Holland : Sole distributors for the U.S.A. and Canada, Elsevier Science Pub. Co..
Chicago Style (17th ed.) CitationScienceDirect (Online service), Paruchuri R. Krishnaiah, and C. Radhakrishna Rao. Sampling. Amsterdam ; New York: North-Holland : Sole distributors for the U.S.A. and Canada, Elsevier Science Pub. Co., 1988.
MLA (9th ed.) CitationScienceDirect (Online service), et al. Sampling. North-Holland : Sole distributors for the U.S.A. and Canada, Elsevier Science Pub. Co., 1988.
Warning: These citations may not always be 100% accurate.