ILWIS 1.3. (1992). Ilwis 1.3 user's manual volume 1. ITC.
Chicago Style (17th ed.) CitationILWIS 1.3. Ilwis 1.3 User's Manual Volume 1. Netherlands: ITC, 1992.
MLA引文ILWIS 1.3. Ilwis 1.3 User's Manual Volume 1. ITC, 1992.
警告:這些引文格式不一定是100%准確.
ILWIS 1.3. (1992). Ilwis 1.3 user's manual volume 1. ITC.
Chicago Style (17th ed.) CitationILWIS 1.3. Ilwis 1.3 User's Manual Volume 1. Netherlands: ITC, 1992.
MLA引文ILWIS 1.3. Ilwis 1.3 User's Manual Volume 1. ITC, 1992.