Gaya APA
Haugen, Einar. (1972).
THE ECOLOGY OF LANGUAGE (Pertama).
America:
Stanford University Press.
Gaya Chicago
Haugen, Einar.
THE ECOLOGY OF LANGUAGE.
Pertama
America:
Stanford University Press,
1972.
Text.
Gaya MLA
Haugen, Einar.
THE ECOLOGY OF LANGUAGE.
Pertama
America:
Stanford University Press,
1972.
Text.
Gaya Turabian
Haugen, Einar.
THE ECOLOGY OF LANGUAGE.
Pertama
America:
Stanford University Press,
1972.
Print.