APA način citiranja

Gomaa, N. H. (2012). Composition and diversity of weed communities in Al-Jouf province, northern Saudi Arabia.

Čikaški stil citiranja

Gomaa, Nasr H. Composition and Diversity of Weed Communities in Al-Jouf Province, Northern Saudi Arabia. 2012.

MLA način citiranja

Gomaa, Nasr H. Composition and Diversity of Weed Communities in Al-Jouf Province, Northern Saudi Arabia. 2012.

Upozorenje: Ovi citati možda nisu uvijek 100% točni.