Ziefert, H., & Demarest, C. L. (1999). I need a valentine!: A lift-the-flap story. Little Simon.
Lua i Stíl Chicago (17ú heag.)Ziefert, Harriet, agus Chris L. Demarest. I Need a Valentine!: A Lift-the-flap Story. New York, N.Y.: Little Simon, 1999.
Lua MLA (8ú heag.)Ziefert, Harriet, agus Chris L. Demarest. I Need a Valentine!: A Lift-the-flap Story. Little Simon, 1999.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.