Gutierrez, H. M. (2009). Fruit characteristics and ripening indicators of Kara Mandarin (Citrus reticulata) in Kabacan, Cotabato, Philippines. USM R & D Journal.
Chicago-referens (17:e uppl.)Gutierrez, Herminigildo M. "Fruit Characteristics and Ripening Indicators of Kara Mandarin (Citrus Reticulata) in Kabacan, Cotabato, Philippines." USM R & D Journal 2009.
MLA-referens (9:e uppl.)Gutierrez, Herminigildo M. "Fruit Characteristics and Ripening Indicators of Kara Mandarin (Citrus Reticulata) in Kabacan, Cotabato, Philippines." USM R & D Journal, 2009.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.