Ramos, S. M., Djaafar, T. S., & Ismail, I. (1969). Philippine - Indonesian relations.
Lua i Stíl Chicago (17ú heag.)Ramos, Severino M., Tengku S. Djaafar, agus Iljas Ismail. Philippine - Indonesian Relations. 1969.
Lua MLA (9ú heag.)Ramos, Severino M., et al. Philippine - Indonesian Relations. 1969.
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