Sarah Weeks. (2002). "Drip, Drop (I Can Read Level 1)" (Reprint.). HarperCollins.
Cita Chicago Style (17a ed.)Sarah Weeks. "Drip, Drop (I Can Read Level 1)". Reprint. HarperCollins, 2002.
Cita MLA (9a ed.)Sarah Weeks. "Drip, Drop (I Can Read Level 1)". Reprint. HarperCollins, 2002.
Precaución: Estas citas no son 100% exactas.