Gaya APA

Preston, P., Zimmerer, T, W. (1978). Management for supervisors. (1978). : Prentice-Hall, Inc., Englewood Cliffs.

Gaya MLA

Preston, Paul., Zimmerer, Thomas, W.. "Management for supervisors.". 1978 : Prentice-Hall, Inc., Englewood Cliffs, 1978. Text.