Gaya APA
Seligman, Martin E. P.. (1990).
Learned Optimism; A Leading on Motivation Demonstrates that Optimism is Essential for a Good (cet. 1).
NEW YORK:
ALFRED A.KNOPF.
Gaya Chicago
Seligman, Martin E. P..
Learned Optimism; A Leading on Motivation Demonstrates that Optimism is Essential for a Good.
cet. 1
NEW YORK:
ALFRED A.KNOPF,
1990.
Text.
Gaya MLA
Seligman, Martin E. P..
Learned Optimism; A Leading on Motivation Demonstrates that Optimism is Essential for a Good.
cet. 1
NEW YORK:
ALFRED A.KNOPF,
1990.
Text.
Gaya Turabian
Seligman, Martin E. P..
Learned Optimism; A Leading on Motivation Demonstrates that Optimism is Essential for a Good.
cet. 1
NEW YORK:
ALFRED A.KNOPF,
1990.
Print.