Cita APA (7th ed.)

Cullman, W. A., & Knudson, H. R. (1972). Mangement problems in international environments. Prentice-Hall.

Cita Chicago (17th ed.)

Cullman, W. Arthur, i Harry R. Knudson. Mangement Problems in International Environments. Englewood Cliffs, N.J.: Prentice-Hall, 1972.

Cita MLA (8th ed.)

Cullman, W. Arthur, i Harry R. Knudson. Mangement Problems in International Environments. Prentice-Hall, 1972.