Παραπομπή σε μορφή APA (7η εκδ.)

Não informado. (1981). Refrigeration, Air Conditioning and Heat Recovery. Maclaren Publishers.

Παραπομπή σε μορφή Chicago (17η εκδ.)

Não informado. Refrigeration, Air Conditioning and Heat Recovery. Croydon, Inglaterra: Maclaren Publishers, 1981.

Παραπομπή σε μορφή MLA (8th εκδ.)

Não informado. Refrigeration, Air Conditioning and Heat Recovery. Maclaren Publishers, 1981.

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