Newberry Library (Chicago). (1959). A catalogue of printed materials relating to the Philippine Islands 1519-1900, in the Newberry Library: Compiled by Doris Varner Welsh. [s.n.].
শিকাগো স্টাইল (17 তম সংস্করণ) উদ্ধৃতিNewberry Library (Chicago). A Catalogue of Printed Materials Relating to the Philippine Islands 1519-1900, in the Newberry Library: Compiled by Doris Varner Welsh. Chicago: [s.n.], 1959.
M.L.A (9 ম সংস্করণ) উদ্ধৃতিNewberry Library (Chicago). A Catalogue of Printed Materials Relating to the Philippine Islands 1519-1900, in the Newberry Library: Compiled by Doris Varner Welsh. [s.n.], 1959.
সতর্কবাণী: সাইটেশন সবসময় 100% নির্ভুল হতে পারে না.