Cita APA (7a ed.)

De Guzman, M. O. Model letters for all occasions, and Sentence stress and emphasis. G.O.T. Publishers.

Cita Chicago Style (17a ed.)

De Guzman, Maria Odulio. Model Letters for All Occasions, and Sentence Stress and Emphasis. [Manila]: G.O.T. Publishers.

Cita MLA (9a ed.)

De Guzman, Maria Odulio. Model Letters for All Occasions, and Sentence Stress and Emphasis. G.O.T. Publishers.