Cita APA (7a ed.)

Artiaga, S. Engineering in the Philippines prior to the Spanish conquest. Unitas..

Cita Chicago Style (17a ed.)

Artiaga, Santiago. "Engineering in the Philippines Prior to the Spanish Conquest." Unitas. .

Cita MLA (9a ed.)

Artiaga, Santiago. "Engineering in the Philippines Prior to the Spanish Conquest." Unitas., .