Daniel F. (1965). General sciences for tropical schools: : for tropical schools (2nd edition.). Hong Kong: Oxford University Press.
Trích dẫn kiểu ChicagoDaniel F. General Sciences for Tropical Schools: : For Tropical Schools. 2nd edition. Hong Kong: Oxford University Press, 1965.
ציטוט MLADaniel F. General Sciences for Tropical Schools: : For Tropical Schools. 2nd edition. Hong Kong: Oxford University Press, 1965.
אזהרה: ציטוטים אלה לעיתים לא מדויקים ב 100%.