APA-Zitierstil (7. Ausg.)

Halpern, P. J., Plourde, A., & Waverman, L. (1988). Petro-Canada: Its role, control and operations. Min. of Supply and Services Canada.

Chicago-Zitierstil (17. Ausg.)

Halpern, Paul J., André Plourde, und Leonard Waverman. Petro-Canada: Its Role, Control and Operations. Ottawa: Min. of Supply and Services Canada, 1988.

MLA-Zitierstil (9. Ausg.)

Halpern, Paul J., et al. Petro-Canada: Its Role, Control and Operations. Min. of Supply and Services Canada, 1988.