APA aipamena

Kirkpatrick, C. A. (1970). Salesmanship. Taraporevala.

Chicago Style aipamena

Kirkpatrick, Charles Atkinson. Salesmanship. Taraporevala, 1970.

MLA aipamena

Kirkpatrick, Charles Atkinson. Salesmanship. Taraporevala, 1970.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.