Sideris, P. P. (1962). Hē koinōnikē sou asphalisis =: Social Security : asphaleia gerontikēs ēlikias kai epizōntōn symphōna me ton nomon koinōnikēs asphaliseōs. New York: [publisher not identified].
Chicago Style CitationSideris, Pythagoras P. Hē Koinōnikē Sou Asphalisis =: Social Security : Asphaleia Gerontikēs Ēlikias Kai Epizōntōn Symphōna Me Ton Nomon Koinōnikēs Asphaliseōs. New York: [publisher not identified], 1962.
MLA CitationSideris, Pythagoras P. Hē Koinōnikē Sou Asphalisis =: Social Security : Asphaleia Gerontikēs Ēlikias Kai Epizōntōn Symphōna Me Ton Nomon Koinōnikēs Asphaliseōs. New York: [publisher not identified], 1962.