APA aipamena

(1978). Textbook Of Salesmanship/russell,a Frederic. McGraw-Hill.

Chicago Style aipamena

Textbook Of Salesmanship/russell,a Frederic. McGraw-Hill, 1978.

MLA aipamena

Textbook Of Salesmanship/russell,a Frederic. McGraw-Hill, 1978.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.