Parker, R. (1972). Understanding company financial statements. Penguin books.
Chicago Style aipamenaParker, R.K. Understanding Company Financial Statements. Australia: Penguin books, 1972.
MLA aipamenaParker, R.K. Understanding Company Financial Statements. Penguin books, 1972.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.