APA (7th ed.) Zitazioa

Spencer, D., & Vaughan, D. (1995). Teamwork: Student's book (1a. ed.). Heinemann.

Chicago Style (17th ed.) Zitazioa

Spencer, David, eta David Vaughan. Teamwork: Student's Book. 1a. ed. Oxford: Heinemann, 1995.

MLA (9th ed.) Zitazioa

Spencer, David, eta David Vaughan. Teamwork: Student's Book. 1a. ed. Heinemann, 1995.