DRUMMOND H. (1995). POWER CREATING IT USING IT. EXCEL BOOKS.
Cita Chicago (17th ed.)DRUMMOND H. POWER CREATING IT USING IT. EXCEL BOOKS, 1995.
Cita MLA (9th ed.)DRUMMOND H. POWER CREATING IT USING IT. EXCEL BOOKS, 1995.
Atenció: Aquestes cites poden no estar 100% correctes.