Cita APA (7a ed.)

Wertz, H. (2015). Object-oriented programming with Smalltalk. ISTE Press.

Cita Chicago Style (17a ed.)

Wertz, H. Object-oriented Programming with Smalltalk. London: ISTE Press, 2015.

Cita MLA (8a ed.)

Wertz, H. Object-oriented Programming with Smalltalk. ISTE Press, 2015.