Cita APA (7th ed.)

Canonigo, C. S. (1993). Book of tongue twisters (1993 ed.). C.S. Canonigo.

Cita Chicago (17th ed.)

Canonigo, Cristina Santos. Book of Tongue Twisters. 1993 ed. Cebu City: C.S. Canonigo, 1993.

Cita MLA (9th ed.)

Canonigo, Cristina Santos. Book of Tongue Twisters. 1993 ed. C.S. Canonigo, 1993.