ELLIS,D.J & BOLTON. (1980). PLANNING FOR NONPLANNERS. A M A COM.
Cita Chicago (17th ed.)ELLIS,D.J & BOLTON. PLANNING FOR NONPLANNERS. NEW YORK: A M A COM, 1980.
Cita MLA (9th ed.)ELLIS,D.J & BOLTON. PLANNING FOR NONPLANNERS. A M A COM, 1980.
Atenció: Aquestes cites poden no estar 100% correctes.