APA aipamena

Grey, M. J. (1999). Games entrepreneurs play. Manila Times.

Chicago Style aipamena

Grey, Margaret Jao. "Games Entrepreneurs Play." Manila Times 1999.

MLA aipamena

Grey, Margaret Jao. "Games Entrepreneurs Play." Manila Times, 1999.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.