Dyfyniad APA

Pujol, R., & Solano, E. (2011). SOLID WASTE RECYCLIN IN COSTA RICA: BALANCE AND PERSPECTIVES.

Dyfyniad Arddull Chicago

Pujol, Rosendo, y Eric Solano. SOLID WASTE RECYCLIN IN COSTA RICA: BALANCE AND PERSPECTIVES. 2011.

Dyfyniad MLA

Pujol, Rosendo, y Eric Solano. SOLID WASTE RECYCLIN IN COSTA RICA: BALANCE AND PERSPECTIVES. 2011.

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