Dyfyniad APA

Lloyd, P. E., & Dicken, P. (1977). Location in space: A theoretical approach to economic geography (2d ed.). Harper & Row.

Dyfyniad Arddull Chicago

Lloyd, Peter E., and Peter Dicken. Location in Space: A Theoretical Approach to Economic Geography. 2d ed. London ; New York: Harper & Row, 1977.

Dyfyniad MLA

Lloyd, Peter E., and Peter Dicken. Location in Space: A Theoretical Approach to Economic Geography. 2d ed. Harper & Row, 1977.

Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.