SAfety Organization of the Philippines. With signal for all, wait for your signal. [s.n.
Cita Chicago Style (17a ed.)SAfety Organization of the Philippines. With Signal for All, Wait for Your Signal. Manila: [s.n.
Cita MLA (9a ed.)SAfety Organization of the Philippines. With Signal for All, Wait for Your Signal. [s.n.
Precaución: Estas citas no son 100% exactas.