APA(7版)引用形式
Elonka, S. M., & Kohan, A. L. (1969). Standard boiler operators' questions and answers. McGraw-Hill.
Chicagoスタイル(17版)引用形式
Elonka, Stephen Michael, , Anthony Lawrence Kohan. Standard Boiler Operators' Questions and Answers. New York ; New delhi: McGraw-Hill, 1969.
MLA(9版)引用形式
Elonka, Stephen Michael, , Anthony Lawrence Kohan. Standard Boiler Operators' Questions and Answers. McGraw-Hill, 1969.
警告: この引用は必ずしも正確ではありません.