XVIII Congress of CIRIEC list of participants.

MLA

International Congress of Public and Co-Operative Economy 02.06.1980-04.06.1980 Lisbon. Xviii Congress of Ciriec List of Participants. s.l, 1980.

APA

International Congress of Public and Co-Operative Economy 02.06.1980-04.06.1980 Lisbon, I. Congress of Public and Co-Operative Economy 02.06.1980-04.06.1980 Lisbon. (1980). XVIII Congress of CIRIEC list of participants. s.l.

Chicago

International Congress of Public and Co-Operative Economy 02.06.1980-04.06.1980 Lisbon XVIII Congress of CIRIEC List of Participants. s.l., 1980.