APA Style

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.

Chicago Style

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.

MLA Style

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.

Turabian Style

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.