Laurel, R. S., Melchor, M., & De Ocampo, M. G. (1992). My first book of "u" words: A sound foundation approach for beginning readers. Bookmark.
Cita Chicago (17th ed.)Laurel, Rayla S., Merci Melchor, i Maricar G. De Ocampo. My First Book of "U" Words: A Sound Foundation Approach for Beginning Readers. Makati, Metro Manila: Bookmark, 1992.
Cita MLA (9th ed.)Laurel, Rayla S., et al. My First Book of "U" Words: A Sound Foundation Approach for Beginning Readers. Bookmark, 1992.
Atenció: Aquestes cites poden no estar 100% correctes.