APA-viite (7. p.)

Pujol Mesalles, R. (1994). The lack of cleaner production in Costa Rica.

Chicago-viite (17. p.)

Pujol Mesalles, Rosendo. The Lack of Cleaner Production in Costa Rica. San José, Costa Rica, 1994.

MLA-viite (9. p.)

Pujol Mesalles, Rosendo. The Lack of Cleaner Production in Costa Rica. 1994.