APA aipamena

(1987). Legend on the agro-ecological map of Mekong Delta. HaNoi: The National Institute of Agricultural planning and projection of Viet Nam.

Chicago Style aipamena

Legend On the Agro-ecological Map of Mekong Delta. HaNoi: The National Institute of Agricultural planning and projection of Viet Nam, 1987.

MLA aipamena

Legend On the Agro-ecological Map of Mekong Delta. HaNoi: The National Institute of Agricultural planning and projection of Viet Nam, 1987.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.