SETYOWULAN, S. (2007). A STUDY ON TEACHING ENGLISH FOR SECRETARY IN SURAKARTA VOCATIONAL TRAINING CENTRE.
Chicago-referens (17:e uppl.)SETYOWULAN, SANTI. A STUDY ON TEACHING ENGLISH FOR SECRETARY IN SURAKARTA VOCATIONAL TRAINING CENTRE. 2007.
MLA-referens (9:e uppl.)SETYOWULAN, SANTI. A STUDY ON TEACHING ENGLISH FOR SECRETARY IN SURAKARTA VOCATIONAL TRAINING CENTRE. 2007.
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