APA-viite (7. p.)

Khorfan S, Wahoud A, Reda Y, & Periodica Polytechnica. Recovery of vanadium pentoxide from spent catalysis used in the manufacture of sulphuric acid.

Chicago-viite (17. p.)

Khorfan S, Wahoud A, Reda Y, ja Periodica Polytechnica. Recovery of Vanadium Pentoxide from Spent Catalysis Used in the Manufacture of Sulphuric Acid.

MLA-viite (9. p.)

Khorfan S, et al. Recovery of Vanadium Pentoxide from Spent Catalysis Used in the Manufacture of Sulphuric Acid.

Varoitus: Nämä viitteet eivät aina ole täysin luotettavia.