APA (7e ed.) Bronvermelding

Carl Koch. (1982). Communication skills for college students. National Book Store.

Chicago (17e ed.) Bronvermelding

Carl Koch. Communication Skills for College Students. Manila: National Book Store, 1982.

MLA (9e ed.) Bronvermelding

Carl Koch. Communication Skills for College Students. National Book Store, 1982.

Let op: Deze citaties zijn niet altijd 100% accuraat.