APA aipamena

Bengtson, N. A., & Van Royen, W. (1964). Fundamentals of economic geography: An introduction to the study of resources (5th ed.). Prentice-Hall.

Chicago Style aipamena

Bengtson, N. A., and William Van Royen. Fundamentals of Economic Geography: An Introduction to the Study of Resources. 5th ed. Englewood Cliffs, N.J: Prentice-Hall, 1964.

MLA aipamena

Bengtson, N. A., and William Van Royen. Fundamentals of Economic Geography: An Introduction to the Study of Resources. 5th ed. Prentice-Hall, 1964.