APA aipamena

Schiffman\'s, S. (1992). Stephan Schiffman's telemarketing. Bob Adams.

Chicago Style aipamena

Schiffman\'s, Stephan. Stephan Schiffman's Telemarketing. Bob Adams, 1992.

MLA aipamena

Schiffman\'s, Stephan. Stephan Schiffman's Telemarketing. Bob Adams, 1992.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.