Goldberg, Adele Smalltalk-80 : the language - 21th print. ed. - Reading : Addison-Wesley, 2000 - xvii, 585 p. : il. ; 24 cm. - Addison-Wesley series in computer science . ISBN: 0201136880 Standard No.: DIF-M1394 Subjects--Topical Terms: SMALLTALK-80LENGUAJES DE PROGRAMACIÓN