APA Style
Harrison, Walter T.. (2014).
New Challenges: Students' Book 4 (Jil.4).
New York:
Pearson Longman Asia ELT.
Chicago Style
Harrison, Walter T..
New Challenges: Students' Book 4.
Jil.4
New York:
Pearson Longman Asia ELT,
2014.
Buku SMP Athalia.
MLA Style
Harrison, Walter T..
New Challenges: Students' Book 4.
Jil.4
New York:
Pearson Longman Asia ELT,
2014.
Buku SMP Athalia.
Turabian Style
Harrison, Walter T..
New Challenges: Students' Book 4.
Jil.4
New York:
Pearson Longman Asia ELT,
2014.
Buku SMP Athalia.