Doherty, G., Claybourne, A., & Davidson, S. (2009). Ensiklopedia Geografi dan Atlas dunia Lengkap. Usborne Publishing.
Chicago Style (17th ed.) CitationDoherty, Gillian, Anna Claybourne, and Susanna Davidson. Ensiklopedia Geografi Dan Atlas Dunia Lengkap. Usborne Publishing, 2009.
ציטוט MLADoherty, Gillian, et al. Ensiklopedia Geografi Dan Atlas Dunia Lengkap. Usborne Publishing, 2009.
אזהרה: ציטוטים אלה לעיתים לא מדויקים ב 100%.