Gerrit Smit. (2005). Dairy Processing: Improving Quality (1.). England.
Chicago Style aipamenaGerrit Smit. Dairy Processing: Improving Quality. 1. England, 2005.
MLA aipamenaGerrit Smit. Dairy Processing: Improving Quality. 1. England, 2005.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.