Dyfyniad APA

Salazar-Acuña, E. (2015). Greenhouse gases produced by primary schools in Belén, Heredia, Costa Rica.

Dyfyniad Arddull Chicago

Salazar-Acuña, Esteban. Greenhouse Gases Produced By Primary Schools in Belén, Heredia, Costa Rica. 2015.

Dyfyniad MLA

Salazar-Acuña, Esteban. Greenhouse Gases Produced By Primary Schools in Belén, Heredia, Costa Rica. 2015.

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