Mercene, Felisa Principe Sining ng pakikipagtalastasan / Felisa Principe Mercene, Zenaida Sunga de Leon, William Gonzales Cabaysa. - Metro Manila : National Book Store, c1983. - xviii, 348 p. ; 22 cm. Talasanggunian : p. 346 - 348. ISBN: 9710831496 Subjects--Topical Terms: Communication arts (Higher)--Philippines LC Class. No.: P91.3 / M54 1983