Cita APA

Bulatao, J. (1966). The finger abacus. Ateneo de Manila University, Publications Office.

Citación estilo Chicago

Bulatao, Jaime. The Finger Abacus. Quezon City: Ateneo de Manila University, Publications Office, 1966.

Cita MLA

Bulatao, Jaime. The Finger Abacus. Ateneo de Manila University, Publications Office, 1966.