Gaya APA
Langan, John. (2002).
Reading and study skills / John Langan (7th ed.).
:
Boston: McGraw-Hill.
Gaya Chicago
Langan, John.
Reading and study skills / John Langan.
7th ed.
:
Boston: McGraw-Hill,
2002.
Buku.
Gaya MLA
Langan, John.
Reading and study skills / John Langan.
7th ed.
:
Boston: McGraw-Hill,
2002.
Buku.
Gaya Turabian
Langan, John.
Reading and study skills / John Langan.
7th ed.
:
Boston: McGraw-Hill,
2002.
Buku.