APA (7th ed.) Citation
Zanatta, T. (2009). Howdy!: Level 2 student's book/ Theresa Zanatta. Richmond Publishing ; Santillana.
Chicago Style (17th ed.) Citation
Zanatta, Theresa. Howdy!: Level 2 Student's Book/ Theresa Zanatta. Buenos Aires: Richmond Publishing ; Santillana, 2009.
MLA (9th ed.) Citation
Zanatta, Theresa. Howdy!: Level 2 Student's Book/ Theresa Zanatta. Richmond Publishing ; Santillana, 2009.
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