APA-referens (7:e uppl.)

Gonzalez, M. B. (2014). Portrait of a successful farmer. Agriculture.

Chicago-referens (17:e uppl.)

Gonzalez, Milagros B. "Portrait of a Successful Farmer." Agriculture 2014.

MLA-referens (9:e uppl.)

Gonzalez, Milagros B. "Portrait of a Successful Farmer." Agriculture, 2014.