Citazione Stile APA (7a Edizione)

Porter, L., & Mohr, B. (1982). Reading book for human relations training (7th ed.). NTL Institute.

Citazione stile Chigago Style (17a edizione)

Porter, Lawrence, e Bernard Mohr. Reading Book for Human Relations Training. 7th ed. Arlington, Virginia: NTL Institute, 1982.

Citatione MLA (9a ed.)

Porter, Lawrence, e Bernard Mohr. Reading Book for Human Relations Training. 7th ed. NTL Institute, 1982.