Mahalagang kaalaman sa buhay - facts of life. Philippine Information Agency.
Cita Chicago (17th ed.)Mahalagang Kaalaman Sa Buhay - Facts of Life. [Manila]: Philippine Information Agency.
Cita MLA (9th ed.)Mahalagang Kaalaman Sa Buhay - Facts of Life. Philippine Information Agency.
Atenció: Aquestes cites poden no estar 100% correctes.