University of the Philippines Diliman. Law Center. Division of Continuing Legal Education & Gumtang, W. G. (1975). Recent developments in law and jurisprudence: A selection of lectures given at various general law practice institutes. U.P. Law Center.
শিকাগো স্টাইল (17 তম সংস্করণ) উদ্ধৃতিUniversity of the Philippines Diliman. Law Center. Division of Continuing Legal Education এবং William G. Gumtang. Recent Developments in Law and Jurisprudence: A Selection of Lectures Given at Various General Law Practice Institutes. Quezon City: U.P. Law Center, 1975.
M.L.A (9 ম সংস্করণ) উদ্ধৃতিUniversity of the Philippines Diliman. Law Center. Division of Continuing Legal Education এবং William G. Gumtang. Recent Developments in Law and Jurisprudence: A Selection of Lectures Given at Various General Law Practice Institutes. U.P. Law Center, 1975.