Cita APA (7th ed.)

Collier, D. A. (1987). Service management: Operating decisions. Prentice-Hall.

Cita Chicago (17th ed.)

Collier, David A. Service Management: Operating Decisions. Englewood Cliffs N.J: Prentice-Hall, 1987.

Cita MLA (9th ed.)

Collier, David A. Service Management: Operating Decisions. Prentice-Hall, 1987.