APA aipamena

KATZENSTEIN, H. (1992). Direct Marketing Herbert Katzenstein And William S. Sachs. Macmillan.

Chicago Style aipamena

KATZENSTEIN, Herbert. Direct Marketing Herbert Katzenstein And William S. Sachs. Macmillan, 1992.

MLA aipamena

KATZENSTEIN, Herbert. Direct Marketing Herbert Katzenstein And William S. Sachs. Macmillan, 1992.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.