Stansfield, C. A., & Westby, J. (1999). GeoTutor: Building geographic literacy (Version 1.0.). Prentice Hall.
Chicago Style (17th ed.) CitationStansfield, Charles A., and Jerry Westby. GeoTutor: Building Geographic Literacy. Version 1.0. Upper Saddle River, N.J: Prentice Hall, 1999.
ציטוט MLAStansfield, Charles A., and Jerry Westby. GeoTutor: Building Geographic Literacy. Version 1.0. Prentice Hall, 1999.
אזהרה: ציטוטים אלה לעיתים לא מדויקים ב 100%.