National Office of Intellectual Property of Vietnam. (2004). Legal documents of Viet Nam on intellectual property. Ha Noi: National office of Intellectual Property of Viet nam.
Trích dẫn kiểu ChicagoNational Office of Intellectual Property of Vietnam. Legal Documents of Viet Nam On Intellectual Property. Ha Noi: National office of Intellectual Property of Viet nam, 2004.
MLA引文National Office of Intellectual Property of Vietnam. Legal Documents of Viet Nam On Intellectual Property. Ha Noi: National office of Intellectual Property of Viet nam, 2004.
警告：这些引文格式不一定是100％准确.