APA Style

Elonka, S, M., Kohan, A, L. (). Standard Boiler Operator's Questions And Answers . : New Delhi: tata Mc Graw Hill Publishing Company,.

MLA Style

Elonka, Stephen, M.., Kohan, Anthony, L.. "Standard Boiler Operator's Questions And Answers". : New Delhi: tata Mc Graw Hill Publishing Company,, . Teks.