Cita APA (7th ed.)

Papasin, B., & Sarmiento, J. (2010). Great grandpa tree. Katha Pub.

Cita Chicago (17th ed.)

Papasin, Bimbo, i Jan Sarmiento. Great Grandpa Tree. Quezon City: Katha Pub, 2010.

Cita MLA (9th ed.)

Papasin, Bimbo, i Jan Sarmiento. Great Grandpa Tree. Katha Pub, 2010.