Gaya APA
Pyle, D, , M, A.
(1982).
Cliffs Toefl Preparation Guide
(
1)
.
Lincoln Nebraska:
Cliffs Notes.
Gaya MLA
Pyle, Dkk,, , Michael, A..
"Cliffs Toefl Preparation Guide".
1
Lincoln Nebraska:
Cliffs Notes,
1982.
Buku Teks.