(1980). Contruction Principles, Materials And Methods/ Harold B. Olin, John L. Schmidt And Walter H. Lewis. The institute of financial education.
Chicago Style (17. basım) AtıfContruction Principles, Materials And Methods/ Harold B. Olin, John L. Schmidt And Walter H. Lewis. The institute of financial education, 1980.
MLA (8th ed.) AtıfContruction Principles, Materials And Methods/ Harold B. Olin, John L. Schmidt And Walter H. Lewis. The institute of financial education, 1980.
Uyarı: Bu alıntı herzaman %100 doğru olmayabilir..