APA (7th ed.) Zitazioa

BLACKWELL, D. (1969). Basic statistics. McGraw-Hill.

Chicago Style (17th ed.) Zitazioa

BLACKWELL, David. Basic Statistics. New York: McGraw-Hill, 1969.

MLA (9th ed.) Zitazioa

BLACKWELL, David. Basic Statistics. McGraw-Hill, 1969.