APA

Roots: Botanic Gardens Conservation International Education Newsletter. Gran Bretaña: Botanic Gardens Conservation International.

Chicago

Roots: Botanic Gardens Conservation International Education Newsletter. Gran Bretaña: Botanic Gardens Conservation International.

Harvard

Roots: Botanic Gardens Conservation International Education Newsletter. Gran Bretaña: Botanic Gardens Conservation International.

MLA

Gran Bretaña: Botanic Gardens Conservation International. .