Casio Computer (firma). Scientific calculator: Fx-570 ES PLUS, natural-v.p.a.m. natural texbook display (Second edition.).
Chicago Style (17th ed.) CitationCasio Computer (firma). Scientific Calculator: Fx-570 ES PLUS, Natural-v.p.a.m. Natural Texbook Display. Second edition.
MLA (9th ed.) CitationCasio Computer (firma). Scientific Calculator: Fx-570 ES PLUS, Natural-v.p.a.m. Natural Texbook Display. Second edition.