APA ציטוט

(2006). Abstracts. 18th World congress of soil science (July 9-15, 2006, Philadelphia).

Chicago Style (17th ed.) Citation

Abstracts. 18th World Congress of Soil Science (July 9-15, 2006, Philadelphia). 2006.

ציטוט MLA

Abstracts. 18th World Congress of Soil Science (July 9-15, 2006, Philadelphia). 2006.