SRI RACHMAJANTI. (2006). Let's communicate in english: A speaking course for basic. Bayumedia.
Chicago-referens (17:e uppl.)SRI RACHMAJANTI. Let's Communicate in English: A Speaking Course for Basic. Malang: Bayumedia, 2006.
MLA-referens (9:e uppl.)SRI RACHMAJANTI. Let's Communicate in English: A Speaking Course for Basic. Bayumedia, 2006.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.