Gaya APA

Tregoe, B, B., Zimmerman, J, W. (1980). Top management strategy : what it is and how to make it work (Cetakan Pertama). New York: .

Gaya MLA

Tregoe, Benjamin, B.., Zimmerman, John, W.. "Top management strategy : what it is and how to make it work". Cetakan Pertama New York: , 1980. Text.