APA引文

Lubell, H., & McCallum, D. (1978). Bogota: Urban development and employment. International Labour Office.

Chicago Style (17th ed.) Citation

Lubell, Harold, and Douglas McCallum. Bogota: Urban Development and Employment. Geneva: International Labour Office, 1978.

MLA引文

Lubell, Harold, and Douglas McCallum. Bogota: Urban Development and Employment. International Labour Office, 1978.