APA (7 ম সংস্করণ) উদ্ধৃতি

Hittinger, R. (2007). The first grace: Rediscovering the natural law in a post-Christian world (Paperback edition.). ISI Books.

শিকাগো স্টাইল (17 তম সংস্করণ) উদ্ধৃতি

Hittinger, Russell. The First Grace: Rediscovering the Natural Law in a Post-Christian World. Paperback edition. Wilmington, DE: ISI Books, 2007.

M.L.A (9 ম সংস্করণ) উদ্ধৃতি

Hittinger, Russell. The First Grace: Rediscovering the Natural Law in a Post-Christian World. Paperback edition. ISI Books, 2007.