INDONESIA, P. D. B. (1988). Construction Indonesia: A profile of Indonesian construction industry featuring contractors, and real estate companies, Volume 1 1988. Pusat Data Business Indonesia.
Παραπομπή σε μορφή Chicago (17η εκδ.)INDONESIA, PUSAT DATA BUSINESS. Construction Indonesia: A Profile of Indonesian Construction Industry Featuring Contractors, and Real Estate Companies, Volume 1 1988. Pusat Data Business Indonesia, 1988.
Παραπομπή σε μορφή MLA (8th εκδ.)INDONESIA, PUSAT DATA BUSINESS. Construction Indonesia: A Profile of Indonesian Construction Industry Featuring Contractors, and Real Estate Companies, Volume 1 1988. Pusat Data Business Indonesia, 1988.
Πρόσοχή: Οι παραπομπές μπορεί να μην είναι 100% ακριβείς.