Gaya APA
Tanner, O.
(1977).
Beavers & Others Pond Dwelllers
(
Cet. 1)
.
New York:
Time-Life.
Gaya MLA
Tanner, Odgen.
"Beavers & Others Pond Dwelllers".
Cet. 1
New York:
Time-Life,
1977.
Text.