Gaya APA
Cyssco, D, R., wijelo, M, R. (2013).
Cracking the toefl: test preparation models and problem solving .
Jakarta:
Puspa Swara.
Gaya MLA
Cyssco, Dhanny, R.., wijelo, Michael, R..
"Cracking the toefl: test preparation models and problem solving".
Jakarta:
Puspa Swara,
2013.
Text.