Gaya APA
Gruber, Gary R., Gruber, Edward C.. (1981).
TOEFL : Test Of English As A Foreign Language .
New York:
Monarch Press.
Gaya Chicago
Gruber, Gary R., Gruber, Edward C..
TOEFL : Test Of English As A Foreign Language.
New York:
Monarch Press,
1981.
Text.
Gaya MLA
Gruber, Gary R., Gruber, Edward C..
TOEFL : Test Of English As A Foreign Language.
New York:
Monarch Press,
1981.
Text.
Gaya Turabian
Gruber, Gary R., Gruber, Edward C..
TOEFL : Test Of English As A Foreign Language.
New York:
Monarch Press,
1981.
Print.