Marquis Who's who Inc. (1984). Marquis who's who directory of online professionals. Marquiz Who's who.
Cita Chicago (17th ed.)Marquis Who's who Inc. Marquis Who's Who Directory of Online Professionals. Chicago: Marquiz Who's who, 1984.
Cita MLA (9th ed.)Marquis Who's who Inc. Marquis Who's Who Directory of Online Professionals. Marquiz Who's who, 1984.
Atenció: Aquestes cites poden no estar 100% correctes.