Cita APA (7th ed.)

McGill University. Industrial Relations Centre, Pathy, A. C., & Loerick, G. (1979). The Problem of "essentia services": Inconvenience, importance, or emergency. Industrial Relations Centre.

Cita Chicago (17th ed.)

McGill University. Industrial Relations Centre, Alexander C. Pathy, i Glenna Loerick. The Problem of "Essentia Services": Inconvenience, Importance, or Emergency. Montreal: Industrial Relations Centre, 1979.

Cita MLA (9th ed.)

McGill University. Industrial Relations Centre, et al. The Problem of "Essentia Services": Inconvenience, Importance, or Emergency. Industrial Relations Centre, 1979.