Gaya APA
Eckert, Allan W.. (1977).
The Hab Theory .
London:
Sphere Books Limited.
Gaya Chicago
Eckert, Allan W..
The Hab Theory.
London:
Sphere Books Limited,
1977.
Text.
Gaya MLA
Eckert, Allan W..
The Hab Theory.
London:
Sphere Books Limited,
1977.
Text.
Gaya Turabian
Eckert, Allan W..
The Hab Theory.
London:
Sphere Books Limited,
1977.
Print.