Cita APA (7th ed.)

Bucaoto, A. P. (1972). Paper folding: An instructional device in the teaching of geometry.

Cita Chicago (17th ed.)

Bucaoto, Avelino P. Paper Folding: An Instructional Device in the Teaching of Geometry. Quezon City, 1972.

Cita MLA (9th ed.)

Bucaoto, Avelino P. Paper Folding: An Instructional Device in the Teaching of Geometry. 1972.

Atenció: Aquestes cites poden no estar 100% correctes.