Seminars for student leaders: Philippines and the challenge of tomorrow. s.n. ; c1976.
Čikaški stil citiranja (17. izdanje)Seminars for Student Leaders: Philippines and the Challenge of Tomorrow. s.l: s.n. ; c1976.
MLA način citiranja (9. izdanje)Seminars for Student Leaders: Philippines and the Challenge of Tomorrow. s.n. ; c1976.
Upozorenje: Ovi citati možda nisu uvijek 100% točni.