Pitard, F. F. (1993). Pierre Gy's sampling theory and sampling practice: Heterogeneity, sampling correctness, and statistical process control (2nd ed.). CRC Press.
Chicago Style (17th ed.) CitationPitard, Francis F. Pierre Gy's Sampling Theory and Sampling Practice: Heterogeneity, Sampling Correctness, and Statistical Process Control. 2nd ed. Boca Raton, Fla: CRC Press, 1993.
MLA (9th ed.) CitationPitard, Francis F. Pierre Gy's Sampling Theory and Sampling Practice: Heterogeneity, Sampling Correctness, and Statistical Process Control. 2nd ed. CRC Press, 1993.
Warning: These citations may not always be 100% accurate.