APA aipamena

Mackinney, G., & Jenkins, J. A. (1952). Carotenoid Differences in Tomatoes.

Chicago Style aipamena

Mackinney, G., and J. A. Jenkins. Carotenoid Differences in Tomatoes. 1952.

MLA aipamena

Mackinney, G., and J. A. Jenkins. Carotenoid Differences in Tomatoes. 1952.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.