Dahl, M., & D'Antonio, S. (2010). Do penguins have puppies?: A book about animal babies. Picture Window Books.
Citace podle Chicago (17th ed.)Dahl, Michael, a Sandra D'Antonio. Do Penguins Have Puppies?: A Book About Animal Babies. Mankato, MN: Picture Window Books, 2010.
Citace podle MLA (8th ed.)Dahl, Michael, a Sandra D'Antonio. Do Penguins Have Puppies?: A Book About Animal Babies. Picture Window Books, 2010.
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