APA (7th ed.) Citation

Caldwell, I., & Thomason, D. (2006). A regra de quatro. Sic.

Chicago Style (17th ed.) Citation

Caldwell, Ian, and Dustin Thomason. A Regra De Quatro. Sic, 2006.

MLA (8th ed.) Citation

Caldwell, Ian, and Dustin Thomason. A Regra De Quatro. Sic, 2006.

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