Παραπομπή APA

Eastop, T. D., & Croft, D. (1990). Energy efficiency: For engineers and technologists. Harlow: Longman Scientific & Technical.

Παραπομπή Chicago Style

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

Παραπομπή MLA

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

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