APA (7th ed.) Citation

Toralballa, L. V. (1984). Modern conceptual arithmetic / Leopoldo V. Toralballa. De La Salle University.

Chicago Style (17th ed.) Citation

Toralballa, Leopoldo V. Modern Conceptual Arithmetic / Leopoldo V. Toralballa. Manila: De La Salle University, 1984.

MLA (9th ed.) Citation

Toralballa, Leopoldo V. Modern Conceptual Arithmetic / Leopoldo V. Toralballa. De La Salle University, 1984.

Warning: These citations may not always be 100% accurate.