Riyanto, S. (2007). The 1 st Student's Choice Toefl [ Test Of English As A Foreign Language]: Test Strategy For Strukture and Written Expression/ Slamet Riyanto. Yogyakarta : Pustaka Pelajar.
Chicago-Zitierstil (17. Ausg.)Riyanto, Slamet. The 1 St Student's Choice Toefl [ Test Of English As A Foreign Language]: Test Strategy For Strukture and Written Expression/ Slamet Riyanto. Yogyakarta : Pustaka Pelajar, 2007.
MLA-Zitierstil (8. Ausg.)Riyanto, Slamet. The 1 St Student's Choice Toefl [ Test Of English As A Foreign Language]: Test Strategy For Strukture and Written Expression/ Slamet Riyanto. Yogyakarta : Pustaka Pelajar, 2007.
Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.