APA Style
Ferre, Tess, Sanabria, Kim. (2015).
NorthStar 4 : Listening & Speaking (Fourth edition) .
New York:
Pearson Education.
Chicago Style
Ferre, Tess, Sanabria, Kim.
NorthStar 4 : Listening & Speaking (Fourth edition).
New York:
Pearson Education,
2015.
Buku SMA Athalia.
MLA Style
Ferre, Tess, Sanabria, Kim.
NorthStar 4 : Listening & Speaking (Fourth edition).
New York:
Pearson Education,
2015.
Buku SMA Athalia.
Turabian Style
Ferre, Tess, Sanabria, Kim.
NorthStar 4 : Listening & Speaking (Fourth edition).
New York:
Pearson Education,
2015.
Buku SMA Athalia.