Cita APA

Gallopin, G. C. (1981). Planning methods and the human environment. Unesco.

Citación estilo Chicago

Gallopin, Gilberto C. Planning Methods and the Human Environment. Paris: Unesco, 1981.

Cita MLA

Gallopin, Gilberto C. Planning Methods and the Human Environment. Unesco, 1981.

Warning: These citations may not always be 100% accurate.