APA استشهاد

Gunther, r. C. (1969). Refrigeration, air conditioning and cold storage: :principles and applications. Chilton.

استشهاد بنمط شيكاغو

Gunther, raymond C. Refrigeration, Air Conditioning and Cold Storage: :principles and Applications. U S A: Chilton, 1969.

MLA استشهاد

Gunther, raymond C. Refrigeration, Air Conditioning and Cold Storage: :principles and Applications. Chilton, 1969.