APA-viite (7. p.)
SpringerLink (Online service) & Leal Filho, W. Brazilian Journal of Science and Technology. Springer International Publishing : Imprint: Springer.
Chicago-viite (17. p.)
SpringerLink (Online service) ja Walter Leal Filho. Brazilian Journal of Science and Technology. Cham: Springer International Publishing : Imprint: Springer.
MLA-viite (9. p.)
SpringerLink (Online service) ja Walter Leal Filho. Brazilian Journal of Science and Technology. Springer International Publishing : Imprint: Springer.
Varoitus: Nämä viitteet eivät aina ole täysin luotettavia.