APA (7 ম সংস্করণ) উদ্ধৃতি

COSTA FILHO, J. S., & ROMAN, D. (2008). O GeoPark Araripe. Edições URCA.

শিকাগো স্টাইল (17 তম সংস্করণ) উদ্ধৃতি

COSTA FILHO, JOSÉ SALES, এবং Daniel ROMAN. O GeoPark Araripe. Crato: Edições URCA, 2008.

M.L.A (8 ম সংস্করণ) উদ্ধৃতি

COSTA FILHO, JOSÉ SALES, এবং Daniel ROMAN. O GeoPark Araripe. Edições URCA, 2008.