(2003). Guidelines for the use of GPS in surveying and mapping. RICS Books.
Trích dẫn kiểu ChicagoGuidelines for the Use of GPS in Surveying and Mapping. RICS Books, 2003.
ציטוט MLAGuidelines for the Use of GPS in Surveying and Mapping. RICS Books, 2003.
אזהרה: ציטוטים אלה לעיתים לא מדויקים ב 100%.