Gabovich, R. D., & Ovrutskiy, G. D. (1977). Fluorine in stomatology and hygiene: Ftor v stomoatologii i gigiene. Dept. of Health, Education, and Welfare, Public Health Service, National Institutes of Health, National Institute of Dental Health.
Trích dẫn kiểu Chicago (xuất bản lần thứ 7)Gabovich, R D., và G D. Ovrutskiy. Fluorine in Stomatology and Hygiene: Ftor V Stomoatologii I Gigiene. Bethesda, MD (20402): Dept. of Health, Education, and Welfare, Public Health Service, National Institutes of Health, National Institute of Dental Health, 1977.
Trích dẫn kiểu MLA (xuất bản lần thứ 9)Gabovich, R D., và G D. Ovrutskiy. Fluorine in Stomatology and Hygiene: Ftor V Stomoatologii I Gigiene. Dept. of Health, Education, and Welfare, Public Health Service, National Institutes of Health, National Institute of Dental Health, 1977.