Dyfyniad APA

Klaassen, L. H. (1968). Social amenities in area economic growth: An analysis of methods of defining needs. Paris: O. E. C. D., Inc.

Dyfyniad Arddull Chicago

Klaassen, L. H. Social Amenities in Area Economic Growth: An Analysis of Methods of Defining Needs. Paris: O. E. C. D., Inc, 1968.

Dyfyniad MLA

Klaassen, L. H. Social Amenities in Area Economic Growth: An Analysis of Methods of Defining Needs. Paris: O. E. C. D., Inc, 1968.

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