APA (7e ed.) Bronvermelding

Boyd, D. K. (1957). Building-unit construction: By D. Knickerbacker Boyd and william S. Lowndes (2nd ed.). International Correspondence Schools.

Chicago (17e ed.) Bronvermelding

Boyd, David Knickerbacker. Building-unit Construction: By D. Knickerbacker Boyd and William S. Lowndes. 2nd ed. Scranton, Pa: International Correspondence Schools, 1957.

MLA (9e ed.) Bronvermelding

Boyd, David Knickerbacker. Building-unit Construction: By D. Knickerbacker Boyd and William S. Lowndes. 2nd ed. International Correspondence Schools, 1957.

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