(2010). A historian looks back: The calculus as algebra and selected writings / by Judith V. Grabiner.
Chicago-viite (17. p.)A Historian Looks Back: The Calculus as Algebra and Selected Writings / by Judith V. Grabiner. 2010.
MLA-viite (9. p.)A Historian Looks Back: The Calculus as Algebra and Selected Writings / by Judith V. Grabiner. 2010.
Varoitus: Nämä viitteet eivät aina ole täysin luotettavia.