Παραπομπή APA

Langley, R. (1968). Practical statistics for non-mathematical people. London: Pan Books.

Παραπομπή Chicago Style

Langley, Russell. Practical Statistics for Non-mathematical People. London: Pan Books, 1968.

Παραπομπή MLA

Langley, Russell. Practical Statistics for Non-mathematical People. London: Pan Books, 1968.

Πρόσοχή: Οι παραπομπές μπορεί να μην είναι 100% ακριβείς.