Gaya APA
Test and Drills in English Grammar : Book 1. (1972).
New York:
[s.n.].
Gaya Chicago
Test and Drills in English Grammar : Book 1.
1; 2.
New York:
[s.n.],
1972.
Text.
Gaya MLA
Test and Drills in English Grammar : Book 1.
1; 2.
New York:
[s.n.],
1972.
Text.
Gaya Turabian
Test and Drills in English Grammar : Book 1.
New York:
[s.n.],
1972.
Print.