Gaya APA
Communication Builder. (2008).
425 ERI C:
Goldenweb.
Gaya Chicago
Communication Builder.
Cet 1.
425 ERI C:
Goldenweb,
2008.
Buku Teks.
Gaya MLA
Communication Builder.
Cet 1.
425 ERI C:
Goldenweb,
2008.
Buku Teks.
Gaya Turabian
Communication Builder.
425 ERI C:
Goldenweb,
2008.
Buku Teks.