APA Style

Enger, N, L. (1976). Management standards for developing information systems / Norman L. Enger (1). New York: AMACOM, American Management Association..

MLA Style

Enger, Norman, L.. "Management standards for developing information systems / Norman L. Enger". 1 New York: AMACOM, American Management Association., 1976. Textbook ห้องสมุดทั่วไป.