APA aipamena

Maurer, R. (2005). One Small Step Can Change Your Life. Inspirasi.

Chicago Style aipamena

Maurer, Robert. One Small Step Can Change Your Life. Inspirasi, 2005.

MLA aipamena

Maurer, Robert. One Small Step Can Change Your Life. Inspirasi, 2005.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.