Gaya APA
Richardson, Elmo. (1983).
David T. Mason Forestry Advocate (Kesatu).
Santa Cruz, California:
Forest History Society.
Gaya Chicago
Richardson, Elmo.
David T. Mason Forestry Advocate.
Kesatu
Santa Cruz, California:
Forest History Society,
1983.
Text.
Gaya MLA
Richardson, Elmo.
David T. Mason Forestry Advocate.
Kesatu
Santa Cruz, California:
Forest History Society,
1983.
Text.
Gaya Turabian
Richardson, Elmo.
David T. Mason Forestry Advocate.
Kesatu
Santa Cruz, California:
Forest History Society,
1983.
Print.