APA aipamena

Goldmann, H. M. (1965). How to win customers.

Chicago Style aipamena

Goldmann, Heinz M. How to Win Customers. :, 1965.

MLA aipamena

Goldmann, Heinz M. How to Win Customers. 1965.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.