Dyfyniad APA

De Souza, M. V., & Bustos, A. (2017). The informal street trade in the Santiago and Concepcion cities. Universidad del Bío-Bío, Chile.

Dyfyniad Arddull Chicago

De Souza, Mônica Virginia, and Alexander Bustos. The Informal Street Trade in the Santiago and Concepcion Cities. Universidad del Bío-Bío, Chile, 2017.

Dyfyniad MLA

De Souza, Mônica Virginia, and Alexander Bustos. The Informal Street Trade in the Santiago and Concepcion Cities. Universidad del Bío-Bío, Chile, 2017.

Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.