Cita APA (7th ed.)

ELONKA, S. M. (1985). Standar boiler room: Questions and answers. Tata McGraw-Hill.

Cita Chicago (17th ed.)

ELONKA, Stephen M. Standar Boiler Room: Questions and Answers. New Delhi: Tata McGraw-Hill, 1985.

Cita MLA (9th ed.)

ELONKA, Stephen M. Standar Boiler Room: Questions and Answers. Tata McGraw-Hill, 1985.