Gamba, R. R., Yamamoto, S., Abdel-Hamid, M., Sasaki, T., Michihata, T., Koyanagi, T., & Enomoto, T. (2020, January). Chemical, Microbiological, and Functional Characterization of Kefir Produced from Cow’s Milk and Soy Milk. International Journal of Microbiology.
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)Gamba, Raúl Ricardo, Shihori Yamamoto, Mahmoud Abdel-Hamid, Tetsuya Sasaki, Toshihide Michihata, Takashi Koyanagi, و Toshiki Enomoto. "Chemical, Microbiological, and Functional Characterization of Kefir Produced from Cow’s Milk and Soy Milk." International Journal of Microbiology Jan. 2020.
توثيق جمعية اللغة المعاصرة MLA (الإصدار التاسع)Gamba, Raúl Ricardo, et al. "Chemical, Microbiological, and Functional Characterization of Kefir Produced from Cow’s Milk and Soy Milk." International Journal of Microbiology, Jan. 2020.