Philippines. University. Law Center. Division of Continuing Legal Education. Institute on Tax Law, 11th, 1975, & De Castro, S. C. (1976). International aspects of taxation: Proceedings of the eleventh annual Institute on Tax Law. U. P. Law Center.
Chicago Style (17. basım) AtıfPhilippines. University. Law Center. Division of Continuing Legal Education. Institute on Tax Law, 11th, 1975, ve Soledad Cagampang De Castro. International Aspects of Taxation: Proceedings of the Eleventh Annual Institute on Tax Law. Diliman, Q. C: U. P. Law Center, 1976.
MLA (9th ed.) AtıfPhilippines. University. Law Center. Division of Continuing Legal Education. Institute on Tax Law, 11th, 1975, ve Soledad Cagampang De Castro. International Aspects of Taxation: Proceedings of the Eleventh Annual Institute on Tax Law. U. P. Law Center, 1976.