Παραπομπή σε μορφή APA (7η εκδ.)

Steel, R. G. D. 1., & Torrie, J. H. 1. j. a. (1960). Principles and procedures of statistics with special reference to the biological sciences. McGraw-Hill.

Παραπομπή σε μορφή Chicago (17η εκδ.)

Steel, Robert George Douglas 1917, και James Hiram 1908- joint auth Torrie. Principles and Procedures of Statistics with Special Reference to the Biological Sciences. New York: McGraw-Hill, 1960.

Παραπομπή σε μορφή MLA (9th εκδ.)

Steel, Robert George Douglas 1917, και James Hiram 1908- joint auth Torrie. Principles and Procedures of Statistics with Special Reference to the Biological Sciences. McGraw-Hill, 1960.