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.
শিকাগো স্টাইল (17 তম সংস্করণ) উদ্ধৃতিINDONESIA, 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.
M.L.A (8 ম সংস্করণ) উদ্ধৃতিINDONESIA, 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.
সতর্কবাণী: সাইটেশন সবসময় 100% নির্ভুল হতে পারে না.