Gaya APA
Harlow, William M.. (1991).
Textbook of dendrology : covering the important forest trees of the United States and Canada (7th ed).
New York:
McGraw Hill.
Gaya Chicago
Harlow, William M..
Textbook of dendrology : covering the important forest trees of the United States and Canada.
7th ed
New York:
McGraw Hill,
1991.
Text.
Gaya MLA
Harlow, William M..
Textbook of dendrology : covering the important forest trees of the United States and Canada.
7th ed
New York:
McGraw Hill,
1991.
Text.
Gaya Turabian
Harlow, William M..
Textbook of dendrology : covering the important forest trees of the United States and Canada.
7th ed
New York:
McGraw Hill,
1991.
Print.