Gaya APA
Russell, David H., Gates, Doris. (1949).
Trails to treasure .
Boston:
Ginn.
Gaya Chicago
Russell, David H., Gates, Doris.
Trails to treasure.
Boston:
Ginn,
1949.
Text.
Gaya MLA
Russell, David H., Gates, Doris.
Trails to treasure.
Boston:
Ginn,
1949.
Text.
Gaya Turabian
Russell, David H., Gates, Doris.
Trails to treasure.
Boston:
Ginn,
1949.
Print.