APA সাইটেশন

Harris, D. (1971). Structures in topology. American Mathematical Society.

শিকাগো স্টাইলে সাইটেশন

Harris, Douglas. Structures in Topology. Providence, R.I.: American Mathematical Society, 1971.

এমএলএ সাইটেশন

Harris, Douglas. Structures in Topology. American Mathematical Society, 1971.