APA (7 ম সংস্করণ) উদ্ধৃতি

Ghartey, E., & Kawatt, J. (1986). Site investigation for the Nurape Bridge, near Watabung, Eastern Highlands. Geological Survey of Papua New Guinea.

শিকাগো স্টাইল (17 তম সংস্করণ) উদ্ধৃতি

Ghartey, Ed, এবং J. Kawatt. Site Investigation for the Nurape Bridge, Near Watabung, Eastern Highlands. [Port Moresby]: Geological Survey of Papua New Guinea, 1986.

M.L.A (9 ম সংস্করণ) উদ্ধৃতি

Ghartey, Ed, এবং J. Kawatt. Site Investigation for the Nurape Bridge, Near Watabung, Eastern Highlands. Geological Survey of Papua New Guinea, 1986.