Gaya APA

Sperry, Len, Hess, Lee R.. (1974). Contact Counseling: Communication Skills For People In Organizations . Massachusetts: Addison-Wesley Publishing Company.

Gaya Chicago

Sperry, Len, Hess, Lee R.. Contact Counseling: Communication Skills For People In Organizations. Massachusetts: Addison-Wesley Publishing Company, 1974. Text.

Gaya MLA

Sperry, Len, Hess, Lee R.. Contact Counseling: Communication Skills For People In Organizations. Massachusetts: Addison-Wesley Publishing Company, 1974. Text.

Gaya Turabian

Sperry, Len, Hess, Lee R.. Contact Counseling: Communication Skills For People In Organizations. Massachusetts: Addison-Wesley Publishing Company, 1974. Print.