APA (7e ed.) Bronvermelding

Science Research Associates. (1965). Jobs in building construction trades. Science Research Associates.

Chicago (17e ed.) Bronvermelding

Science Research Associates. Jobs in Building Construction Trades. Chicago: Science Research Associates, 1965.

MLA (8e ed.) Bronvermelding

Science Research Associates. Jobs in Building Construction Trades. Science Research Associates, 1965.

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