Gaya APA
Bebas masalah kulit = Overcoming skin problems. (2009).
Yogyakarta:
Kanisius.
Gaya Chicago
Bebas masalah kulit = Overcoming skin problems.
1.
Yogyakarta:
Kanisius,
2009.
Buku.
Gaya MLA
Bebas masalah kulit = Overcoming skin problems.
1.
Yogyakarta:
Kanisius,
2009.
Buku.
Gaya Turabian
Bebas masalah kulit = Overcoming skin problems.
Yogyakarta:
Kanisius,
2009.
Buku.