APA aipamena

(1972). Ayala Corporation annual report to management for the fiscal year ended. s.n.

Chicago Style aipamena

Ayala Corporation Annual Report to Management for the Fiscal Year Ended. s.l: s.n, 1972.

MLA aipamena

Ayala Corporation Annual Report to Management for the Fiscal Year Ended. s.n, 1972.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.