Cita APA (7th ed.)

Goldberg, A. (1989). Smalltalk-80: The language. Addison-Wesley.

Cita Chicago (17th ed.)

Goldberg, Adele. Smalltalk-80: The Language. Reading, Mass: Addison-Wesley, 1989.

Cita MLA (9th ed.)

Goldberg, Adele. Smalltalk-80: The Language. Addison-Wesley, 1989.