APA Style
Long, Ralph B. (1979).
Language Skills .
Illionis:
Open Court La Salle.
Chicago Style
Long, Ralph B.
Language Skills.
Illionis:
Open Court La Salle,
1979.
Buku Teks.
MLA Style
Long, Ralph B.
Language Skills.
Illionis:
Open Court La Salle,
1979.
Buku Teks.
Turabian Style
Long, Ralph B.
Language Skills.
Illionis:
Open Court La Salle,
1979.
Buku Teks.