APA

Dyer W. W., . (1990). You´ll seelt when you believelt. New York: Avon Books.

Chicago

Dyer Wayne W, . 1990. You´ll seelt when you believelt. New York: Avon Books.

Harvard

Dyer W. W., . (1990). You´ll seelt when you believelt. New York: Avon Books.

MLA

Dyer Wayne W, . You´ll seelt when you believelt. New York: Avon Books. 1990.