APA
Philippine Centennial Commission. Committee on International Relations, Philippines. Department of Foreign Affairs & Department of Foreign Affairs Ladies Foundation. (1998). Centennial commemorative lectures 1998. [Manila}: The Committee.
Chicago
Philippine Centennial Commission. Committee on International Relations, Philippines. Department of Foreign Affairs and Department of Foreign Affairs Ladies Foundation. 1998. Centennial commemorative lectures 1998. [Manila}: The Committee.
Harvard
Philippine Centennial Commission. Committee on International Relations, Philippines. Department of Foreign Affairs and Department of Foreign Affairs Ladies Foundation. (1998). Centennial commemorative lectures 1998. [Manila}: The Committee.
MLA
Philippine Centennial Commission. Committee on International Relations, Philippines. Department of Foreign Affairs and Department of Foreign Affairs Ladies Foundation. Centennial commemorative lectures 1998. [Manila}: The Committee. 1998.