APA ציטוט

176339 Croom, F. H. (1989). Principles of topology. Philadelphia : Saunders College.

Chicago Style (17th ed.) Citation

176339 Croom, Fred H. Principles of Topology. Philadelphia : Saunders College, 1989.

ציטוט MLA

176339 Croom, Fred H. Principles of Topology. Philadelphia : Saunders College, 1989.