APA Citation

Sánchez, A. M. (2016). Tungurahua and its contribution to foreign trade.

Chicago Style Citation

Sánchez, Ana María. Tungurahua and Its Contribution to Foreign Trade. 2016.

MLA Citation

Sánchez, Ana María. Tungurahua and Its Contribution to Foreign Trade. 2016.

Warning: These citations may not always be 100% accurate.