Grobben, G. (1998). The production of exopolysaccharides by Lactobacillus delbrueckii subsp. bulgaricus. Netherlands: Landbouwuniversiteit Wageningen.
Chicago Style aipamenaGrobben, Gert. The Production of Exopolysaccharides By Lactobacillus Delbrueckii Subsp. Bulgaricus. Netherlands: Landbouwuniversiteit Wageningen, 1998.
MLA aipamenaGrobben, Gert. The Production of Exopolysaccharides By Lactobacillus Delbrueckii Subsp. Bulgaricus. Netherlands: Landbouwuniversiteit Wageningen, 1998.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.