Gaya APA

Segeler, C, G, (., Ringler, M, , D. (1965). Gas engineers handbook (First Edition) Fuel gas engineering practices (1965). : New York : Industrial Press Inc.,.

Gaya MLA

Segeler, C, George, (Editor)., Ringler, Marvin, , D. "Gas engineers handbook (First Edition) Fuel gas engineering practices". 1965 : New York : Industrial Press Inc.,, 1965. Text.