APA aipamena

AYALA, C. S. B. (2010). Boards and wards. Wolters Kluwer.

Chicago Style aipamena

AYALA, Carlos. Spellberg Brad. Boards and Wards. Wolters Kluwer, 2010.

MLA aipamena

AYALA, Carlos. Spellberg Brad. Boards and Wards. Wolters Kluwer, 2010.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.