Gaya APA

GEHMLICH, D, K., HAMMOND, S, B. (1967). ELECTROMECHANICAL SYSTEM . New York: McGRAW-HILL.

Gaya MLA

GEHMLICH, Dietrich, K.., HAMMOND, SEYMOUR, B.. "ELECTROMECHANICAL SYSTEM". New York: McGRAW-HILL, 1967. Textbook.