Boyd, D. K. (1957). Building-unit construction: By D. Knickerbacker Boyd and william S. Lowndes (2nd ed.). International Correspondence Schools.
Chicago-Zitierstil (17. Ausg.)Boyd, David Knickerbacker. Building-unit Construction: By D. Knickerbacker Boyd and William S. Lowndes. 2nd ed. Scranton, Pa: International Correspondence Schools, 1957.
MLA-Zitierstil (9. Ausg.)Boyd, David Knickerbacker. Building-unit Construction: By D. Knickerbacker Boyd and William S. Lowndes. 2nd ed. International Correspondence Schools, 1957.
Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.