Cita APA (7a ed.)
Gulbert, W. J. (1975). Classical algebra: Or how to solve equations. University of Waterloo.
Cita Chicago Style (17a ed.)
Gulbert, William J. Classical Algebra: Or How to Solve Equations. Waterloo: University of Waterloo, 1975.
Cita MLA (9a ed.)
Gulbert, William J. Classical Algebra: Or How to Solve Equations. University of Waterloo, 1975.
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