Gaya APA
Balen, John Van. (1978).
Geography and earth sciences publications, 1973-1975 .
Dakota:
The Prierian Press.
Gaya Chicago
Balen, John Van.
Geography and earth sciences publications, 1973-1975.
Dakota:
The Prierian Press,
1978.
Text.
Gaya MLA
Balen, John Van.
Geography and earth sciences publications, 1973-1975.
Dakota:
The Prierian Press,
1978.
Text.
Gaya Turabian
Balen, John Van.
Geography and earth sciences publications, 1973-1975.
Dakota:
The Prierian Press,
1978.
Print.