Cita APA

Ensign,Chet. (1997). $GML: The billion dollar secret. Prentice Hall.

Chicago Edition Citation

Ensign,Chet. $GML: The Billion Dollar Secret. New Jersey: Prentice Hall, 1997.

Cita MLA

Ensign,Chet. $GML: The Billion Dollar Secret. Prentice Hall, 1997.

Atenció: Aquestes cites poden no estar 100% correctes.