Gaya APA
Modern English Exercise for non-native speakers Part 1. (1972).
New Mexico:
[s.n.].
Gaya Chicago
Modern English Exercise for non-native speakers Part 1.
.
New Mexico:
[s.n.],
1972.
Text.
Gaya MLA
Modern English Exercise for non-native speakers Part 1.
.
New Mexico:
[s.n.],
1972.
Text.
Gaya Turabian
Modern English Exercise for non-native speakers Part 1.
New Mexico:
[s.n.],
1972.
Print.