Seminar for Student Leaders (2nd : 1970 : Tagaytay City). (1970). Agenda for the 70's: Youth and national progress. [s.n.
Chicago-viite (17. p.)Seminar for Student Leaders (2nd : 1970 : Tagaytay City). Agenda for the 70's: Youth and National Progress. Manila: [s.n, 1970.
MLA-viite (9. p.)Seminar for Student Leaders (2nd : 1970 : Tagaytay City). Agenda for the 70's: Youth and National Progress. [s.n, 1970.
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