RIYANTO, S. A Successful Foreign Language Guide. Pustaka Pelajar.
Chicago Style (17th ed.) CitationRIYANTO, Slamet. A Successful Foreign Language Guide. Pustaka Pelajar.
MLA (8th ed.) CitationRIYANTO, Slamet. A Successful Foreign Language Guide. Pustaka Pelajar.
Warning: These citations may not always be 100% accurate.