Dyfyniad APA

United Nations Population Fund & Marshall, A. (1998). The state of world population 1998: The new generations. UNFPA.

Dyfyniad Arddull Chicago

United Nations Population Fund and Alex Marshall. The State of World Population 1998: The New Generations. New York: UNFPA, 1998.

Dyfyniad MLA

United Nations Population Fund and Alex Marshall. The State of World Population 1998: The New Generations. UNFPA, 1998.

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