Dyfyniad APA

Villanueva, R. O., & Tayona, D. (1998). Bugtong, bugtong. Tahanan Books for Young Readers.

Dyfyniad Arddull Chicago

Villanueva, Rene O., and Daniel Tayona. Bugtong, Bugtong. Makati City: Tahanan Books for Young Readers, 1998.

Dyfyniad MLA

Villanueva, Rene O., and Daniel Tayona. Bugtong, Bugtong. Tahanan Books for Young Readers, 1998.

Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.