Não informado. (1984). Journal of Synthetic Lubrication. Leaf Coppin Publishing.
Chicago-viite (17. p.)Não informado. Journal of Synthetic Lubrication. Kent, Inglaterra: Leaf Coppin Publishing, 1984.
MLA-viite (8. p.)Não informado. Journal of Synthetic Lubrication. Leaf Coppin Publishing, 1984.
Varoitus: Nämä viitteet eivät aina ole täysin luotettavia.