Παραπομπή APA

Kaser, M., & Portes, . R. (1971). Planning and market relations: Proceedings. St. Martin's press.

Παραπομπή Chicago Style

Kaser, Michael, και Richard Portes. Planning and Market Relations: Proceedings. Macmillan: St. Martin's press, 1971.

Παραπομπή MLA

Kaser, Michael, και Richard Portes. Planning and Market Relations: Proceedings. St. Martin's press, 1971.