APA aipamena

Wilkerson, C. (2010). PLB105-Plant biology. USA: Michigan State University.

Chicago Style aipamena

Wilkerson, Curtis. PLB105-Plant Biology. USA: Michigan State University, 2010.

MLA aipamena

Wilkerson, Curtis. PLB105-Plant Biology. USA: Michigan State University, 2010.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.