APA (7 ম সংস্করণ) উদ্ধৃতি

JOHNSON, R. (1995). Ralph Johnson Of Perkins & Will Buildings And Projects Introduction By Robert Bruegman. Rizzolli International.

শিকাগো স্টাইল (17 তম সংস্করণ) উদ্ধৃতি

JOHNSON, Ralph. Ralph Johnson Of Perkins & Will Buildings And Projects Introduction By Robert Bruegman. Rizzolli International, 1995.

M.L.A (8 ম সংস্করণ) উদ্ধৃতি

JOHNSON, Ralph. Ralph Johnson Of Perkins & Will Buildings And Projects Introduction By Robert Bruegman. Rizzolli International, 1995.