Cronin, D., & Lewin, B. (2000). Click, clack, moo cows that type. New York: Simon and Schuster Children's.
Trích dẫn kiểu ChicagoCronin, Doreen, và Betsy Lewin. Click, Clack, Moo Cows That Type. New York: Simon and Schuster Children's, 2000.
Deismireacht MLACronin, Doreen, và Betsy Lewin. Click, Clack, Moo Cows That Type. New York: Simon and Schuster Children's, 2000.
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