APA সাইটেশন

Sir Gavin de Beer. (1971). Homology, An Unsolved Problem. London: Oxford University Press.

শিকাগো স্টাইলে সাইটেশন

Sir Gavin de Beer. Homology, An Unsolved Problem. London: Oxford University Press, 1971.

এমএলএ সাইটেশন

Sir Gavin de Beer. Homology, An Unsolved Problem. London: Oxford University Press, 1971.