Cita APA (7th ed.)

Laposata,Matthew. (2015). ESSENTIALS ENVIRONMENT (4th.). PEARSON.

Cita Chicago (17th ed.)

Laposata,Matthew. ESSENTIALS ENVIRONMENT. 4th. Tamilanadu: PEARSON, 2015.

Cita MLA (9th ed.)

Laposata,Matthew. ESSENTIALS ENVIRONMENT. 4th. PEARSON, 2015.

Atenció: Aquestes cites poden no estar 100% correctes.