APA (7e ed.) Bronvermelding

Ergler, P. C. (1970). The role of contract engineering in technical manpower planning. American Management Association.

Chicago (17e ed.) Bronvermelding

Ergler, Paul C. The Role of Contract Engineering in Technical Manpower Planning. [New York]: American Management Association, 1970.

MLA (9e ed.) Bronvermelding

Ergler, Paul C. The Role of Contract Engineering in Technical Manpower Planning. American Management Association, 1970.