Gaya APA

Gladstone, J. (1981). Air Conditioning Testing/Adjusting/Balancing: A Field Practice Manual (Second Edition). New York: Van Nostrand Reinhold Company.

Gaya MLA

Gladstone, John. "Air Conditioning Testing/Adjusting/Balancing: A Field Practice Manual". Second Edition New York: Van Nostrand Reinhold Company, 1981. Text.