APA (7 ম সংস্করণ) উদ্ধৃতি

Willis, J. (1968). The parliamentary powers of English government departments. Harvard University Press New York : Johnson Reprint Corp..

শিকাগো স্টাইল (17 তম সংস্করণ) উদ্ধৃতি

Willis, John. The Parliamentary Powers of English Government Departments. Cabridge: Harvard University Press New York : Johnson Reprint Corp., 1968.

M.L.A (8 ম সংস্করণ) উদ্ধৃতি

Willis, John. The Parliamentary Powers of English Government Departments. Harvard University Press New York : Johnson Reprint Corp., 1968.