APA ציטוט

Williams, M. (1990). Wetlands: A threatened landscape. Basil Blackwell.

Chicago Style (17th ed.) Citation

Williams, Michael. Wetlands: A Threatened Landscape. Oxford: Basil Blackwell, 1990.

ציטוט MLA

Williams, Michael. Wetlands: A Threatened Landscape. Basil Blackwell, 1990.