Gaya APA
Koch, C. (1952).
The Tree Test : The Tree-Drawing Test as an Aid in Psychodiagnosis .
Bern:
Huns Huber Publishers Berne.
Gaya MLA
Koch, Charles.
"The Tree Test : The Tree-Drawing Test as an Aid in Psychodiagnosis".
Bern:
Huns Huber Publishers Berne,
1952.
Text.