Gaya APA
Opdyke, George Howard. (1959).
Art and Nature Appreciation .
Philadelphia:
National Council Books, Inc.
Gaya Chicago
Opdyke, George Howard.
Art and Nature Appreciation.
Philadelphia:
National Council Books, Inc,
1959.
Text.
Gaya MLA
Opdyke, George Howard.
Art and Nature Appreciation.
Philadelphia:
National Council Books, Inc,
1959.
Text.
Gaya Turabian
Opdyke, George Howard.
Art and Nature Appreciation.
Philadelphia:
National Council Books, Inc,
1959.
Print.