APA aipamena

HEIMAN STEPHEN E. (1985). STRATEGIC SELLING. WILLIAM MORROW.

Chicago Style aipamena

HEIMAN STEPHEN E. STRATEGIC SELLING. NEW YORK: WILLIAM MORROW, 1985.

MLA aipamena

HEIMAN STEPHEN E. STRATEGIC SELLING. WILLIAM MORROW, 1985.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.