APA (7e ed.) Bronvermelding

Não informado. (1973). World construction. Technical Publishing Corporation.

Chicago (17e ed.) Bronvermelding

Não informado. World Construction. New York: Technical Publishing Corporation, 1973.

MLA (8e ed.) Bronvermelding

Não informado. World Construction. Technical Publishing Corporation, 1973.

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