Không rõ. (2003). Software Engineering and Computer Games. NOTNXB.
Trích dẫn kiểu ChicagoKhông rõ. Software Engineering and Computer Games. NOTNXB, 2003.
MLA引文Không rõ. Software Engineering and Computer Games. NOTNXB, 2003.
警告：這些引文格式不一定是100％准確.
APA引文