APA (7 ম সংস্করণ) উদ্ধৃতি

Keay, J. (2000). History: From the earliest civilizations to the boom of the twenty-first century (NA.). Harper Press.

শিকাগো স্টাইল (17 তম সংস্করণ) উদ্ধৃতি

Keay, John. History: From the Earliest Civilizations to the Boom of the Twenty-first Century. NA. London: Harper Press, 2000.

M.L.A (9 ম সংস্করণ) উদ্ধৃতি

Keay, John. History: From the Earliest Civilizations to the Boom of the Twenty-first Century. NA. Harper Press, 2000.