Hopkins, T., & Horan, B. (1995). Smalltalk: An introduction to application development using VisualWorks. Prentice-Hall.
Cita Chicago Style (17a ed.)Hopkins, T., y Bernard Horan. Smalltalk: An Introduction to Application Development Using VisualWorks. London [etc.]: Prentice-Hall, 1995.
Cita MLA (9a ed.)Hopkins, T., y Bernard Horan. Smalltalk: An Introduction to Application Development Using VisualWorks. Prentice-Hall, 1995.
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