APA (7e ed.) Bronvermelding

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.

Chicago (17e ed.) Bronvermelding

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.

MLA (8e ed.) Bronvermelding

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.