Boyd, D. K. (1957). Building-unit construction: By D. Knickerbacker Boyd and william S. Lowndes (2nd ed.). International Correspondence Schools.
Chicago Style aipamenaBoyd, David Knickerbacker. Building-unit Construction: By D. Knickerbacker Boyd and William S. Lowndes. 2nd ed. Scranton, Pa: International Correspondence Schools, 1957.
MLA aipamenaBoyd, David Knickerbacker. Building-unit Construction: By D. Knickerbacker Boyd and William S. Lowndes. 2nd ed. International Correspondence Schools, 1957.
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