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.
Citação do estilo Chicago (17ª ed.)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.
Citação MLA (8ª ed.)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.
Nota: a formatação da citação pode não corresponder 100% ao definido pela respectiva norma.