APA

Pitard F. F., . (1993). Pierre Gy's sampling theory and sampling practice: heterogeneity, sampling correctness, and statistical process control. Boca Raton, USA: CRC Press.

Chicago

Pitard Francis F, . 1993. Pierre Gy's sampling theory and sampling practice: heterogeneity, sampling correctness, and statistical process control. Boca Raton, USA: CRC Press.

Harvard

Pitard F. F., . (1993). Pierre Gy's sampling theory and sampling practice: heterogeneity, sampling correctness, and statistical process control. Boca Raton, USA: CRC Press.

MLA

Pitard Francis F, . Pierre Gy's sampling theory and sampling practice: heterogeneity, sampling correctness, and statistical process control. Boca Raton, USA: CRC Press. 1993.