HECKMANN OLIVER EDT. (2011). FLOOR PLAN MANUAL HOUSING. BIRKHAUSER GMBH.
Cita Chicago (17th ed.)HECKMANN OLIVER EDT. FLOOR PLAN MANUAL HOUSING. SWITXERLAND: BIRKHAUSER GMBH, 2011.
Cita MLA (9th ed.)HECKMANN OLIVER EDT. FLOOR PLAN MANUAL HOUSING. BIRKHAUSER GMBH, 2011.
Atenció: Aquestes cites poden no estar 100% correctes.