Penggayaan APA
NTC vocabulary builders:. ([s.a]).
Illinois USA:
National text book.
Chicago Style
NTC vocabulary builders:.
.
Illinois USA:
National text book,
[s.a].
Buku.
MLA Style
NTC vocabulary builders:.
.
Illinois USA:
National text book,
[s.a].
Buku.
Turabian Style
NTC vocabulary builders:.
Illinois USA:
National text book,
[s.a].
Buku.