Dyfyniad APA

Abarca-Guerrero, L., & Leandro-Hernández, A. G. (2017). Actual situation of construction materials management in Costa Rica.

Dyfyniad Arddull Chicago

Abarca-Guerrero, Lilliana, y Ana Grettel Leandro-Hernández. Actual Situation of Construction Materials Management in Costa Rica. 2017.

Dyfyniad MLA

Abarca-Guerrero, Lilliana, y Ana Grettel Leandro-Hernández. Actual Situation of Construction Materials Management in Costa Rica. 2017.

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