Penggayaan APA
GREGORY, William. ([s.a.]).
The real toefl .
[s.l.]:
HB.
Chicago Style
GREGORY, William.
The real toefl.
[s.l.]:
HB,
[s.a.].
Buku.
MLA Style
GREGORY, William.
The real toefl.
[s.l.]:
HB,
[s.a.].
Buku.
Turabian Style
GREGORY, William.
The real toefl.
[s.l.]:
HB,
[s.a.].
Buku.