APA aipamena

FERPER, R. (1974). Handbook Of Marketing Research Robert Ferper. McGraw-Hill.

Chicago Style aipamena

FERPER, Robert. Handbook Of Marketing Research Robert Ferper. McGraw-Hill, 1974.

MLA aipamena

FERPER, Robert. Handbook Of Marketing Research Robert Ferper. McGraw-Hill, 1974.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.