Dyfyniad APA

Elonka, S. M. (1973). Standard boiler operators' questions and answers. Tata Mc Graw - Hill.

Dyfyniad Arddull Chicago

Elonka, Stephen Michael. Standard Boiler Operators' Questions and Answers. Mumbai: Tata Mc Graw - Hill, 1973.

Dyfyniad MLA

Elonka, Stephen Michael. Standard Boiler Operators' Questions and Answers. Tata Mc Graw - Hill, 1973.

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