ROBINSON, S. M. E. &. J. F. (1965). STANDARD PLAN OPERATOR'S QUESTIONS AND ANSWER, VOL. II. McGraw-Hill Book Co.
Chicago Style (17. basım) AtıfROBINSON, STEPHEN MICHAEL ELONKA & JOSEPH FREDERICH. STANDARD PLAN OPERATOR'S QUESTIONS AND ANSWER, VOL. II. McGraw-Hill Book Co, 1965.
MLA (8th ed.) AtıfROBINSON, STEPHEN MICHAEL ELONKA & JOSEPH FREDERICH. STANDARD PLAN OPERATOR'S QUESTIONS AND ANSWER, VOL. II. McGraw-Hill Book Co, 1965.
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