APA (7e ed.) Bronvermelding

Franck, H. A. Zone Policeman 88; a close range study of the Panama canal and its workers.

Chicago (17e ed.) Bronvermelding

Franck, Harry Alverson. Zone Policeman 88; a Close Range Study of the Panama Canal and Its Workers.

MLA (9e ed.) Bronvermelding

Franck, Harry Alverson. Zone Policeman 88; a Close Range Study of the Panama Canal and Its Workers.

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