ELONKA, S. M. (1985). Standar boiler room: Questions and answers. Tata McGraw-Hill.
Chicagoスタイル(17版)引用形式ELONKA, Stephen M. Standar Boiler Room: Questions and Answers. New Delhi: Tata McGraw-Hill, 1985.
MLA(9版)引用形式ELONKA, Stephen M. Standar Boiler Room: Questions and Answers. Tata McGraw-Hill, 1985.
警告: この引用は必ずしも正確ではありません.