APA
National Bank of Greece, National Bank of Greece, . (1997). Annual Report 1997. Athens: NBG.
Chicago
National Bank of Greece, National Bank of Greece, . 1997. Annual Report 1997. Athens: NBG.
Harvard
National Bank of Greece, National Bank of Greece, . (1997). Annual Report 1997. Athens: NBG.
MLA
National Bank of Greece, National Bank of Greece, . Annual Report 1997. Athens: NBG. 1997.
