Gaya APA
Nelson, Thomas. (1989).
Building Skill for the Toefl (Cet. 1.--).
Jakarta:
Binarupa Aksara.
Gaya Chicago
Nelson, Thomas.
Building Skill for the Toefl.
Cet. 1.--
Jakarta:
Binarupa Aksara,
1989.
Text.
Gaya MLA
Nelson, Thomas.
Building Skill for the Toefl.
Cet. 1.--
Jakarta:
Binarupa Aksara,
1989.
Text.
Gaya Turabian
Nelson, Thomas.
Building Skill for the Toefl.
Cet. 1.--
Jakarta:
Binarupa Aksara,
1989.
Print.