Romulo, C. P. (1965). A trilogy of leaders: Magsaysay, Kennedy, Quezon. Philippine Journal of Public Administration.
Čikaški stil citiranja (17. izdanje)Romulo, Carlos P. "A Trilogy of Leaders: Magsaysay, Kennedy, Quezon." Philippine Journal of Public Administration 1965.
MLA način citiranja (8. izdanje)Romulo, Carlos P. "A Trilogy of Leaders: Magsaysay, Kennedy, Quezon." Philippine Journal of Public Administration, 1965.
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