Citazione Stile APA (7a Edizione)

Grava, S. (1971). Training and education in urbanplanning in the Republic of China. United Nations].

Citazione stile Chigago Style (17a edizione)

Grava, Sigurd. Training and Education in Urbanplanning in the Republic of China. [New York: United Nations], 1971.

Citatione MLA (9a ed.)

Grava, Sigurd. Training and Education in Urbanplanning in the Republic of China. United Nations], 1971.