Riyanto, S. (2004). Gateway English Through Stories A Successful Foreign Language Guide/ Slamet Riyanto. Yogyakarta : Pustaka Pelajar.
Cita Chicago Style (17a ed.)Riyanto, Slamet. Gateway English Through Stories A Successful Foreign Language Guide/ Slamet Riyanto. Yogyakarta : Pustaka Pelajar, 2004.
Cita MLA (8a ed.)Riyanto, Slamet. Gateway English Through Stories A Successful Foreign Language Guide/ Slamet Riyanto. Yogyakarta : Pustaka Pelajar, 2004.
Precaución: Estas citas no son 100% exactas.