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.