APA aipamena

Espiritu, L. C. (2018). Tik-tak, tik-tak. Save the Children Philippines, Sentro ng Wikang Filipino-UP Diliman.

Chicago Style aipamena

Espiritu, Laarni C. Tik-tak, Tik-tak. Quezon City: Save the Children Philippines, Sentro ng Wikang Filipino-UP Diliman, 2018.

MLA aipamena

Espiritu, Laarni C. Tik-tak, Tik-tak. Save the Children Philippines, Sentro ng Wikang Filipino-UP Diliman, 2018.