Wellings, F. (1994). Construction Equities. ELSEVIER.
Cita Chicago (17th ed.)Wellings, Fred. Construction Equities. ELSEVIER, 1994.
Cita MLA (8th ed.)Wellings, Fred. Construction Equities. ELSEVIER, 1994.
Atenció: Aquestes cites poden no estar 100% correctes.