APA (7 ম সংস্করণ) উদ্ধৃতি

(2000). Isotopic evidence for temperature variation during the early Cretaceous (late Ryazanian–mid-Hauterivian).

শিকাগো স্টাইল (17 তম সংস্করণ) উদ্ধৃতি

Isotopic Evidence for Temperature Variation During the Early Cretaceous (late Ryazanian–mid-Hauterivian). 2000.

M.L.A (9 ম সংস্করণ) উদ্ধৃতি

Isotopic Evidence for Temperature Variation During the Early Cretaceous (late Ryazanian–mid-Hauterivian). 2000.