APA Style
Tumijo, ., Riyanto, S.
(2011).
99,99% Sukses TOEFL
(
Cet. 6)
.
Yogyakarta:
Pustaka Widyatama.
MLA Style
Tumijo, ., Riyanto, Slamet.
"99,99% Sukses TOEFL".
Cet. 6
Yogyakarta:
Pustaka Widyatama,
2011.
Text.