Gaya APA
Octaberlina, L, R. (2011).
Progressive English : General English for Tertiary Students .
Malang:
UIN-Maliki Press.
Gaya MLA
Octaberlina, Like, Raskova.
"Progressive English : General English for Tertiary Students".
Malang:
UIN-Maliki Press,
2011.
Text.