Παραπομπή APA

Eastop, T. D., & Croft, D. R. (1990). Energy efficiency: : for engineers and technologists. Essex, UK.: Longman Scientific and Technical.

Παραπομπή Chicago Style

Eastop, Thomas D., and D. R. Croft. Energy Efficiency: : For Engineers and Technologists. Essex, UK.: Longman Scientific and Technical, 1990.

Παραπομπή MLA

Eastop, Thomas D., and D. R. Croft. Energy Efficiency: : For Engineers and Technologists. Essex, UK.: Longman Scientific and Technical, 1990.

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