James I. Brown. (1964). Programed vocabulary. New York: Appleton-Century-Crofts.
Trích dẫn kiểu ChicagoJames I. Brown. Programed Vocabulary. New York: Appleton-Century-Crofts, 1964.
MLA CitationJames I. Brown. Programed Vocabulary. New York: Appleton-Century-Crofts, 1964.
Advarsel: Disse citationer er muligvist ikke 100% nøjagtige.