APA (7th ed.) Citation

ESOMAR congress. (1981). Research for profitability: Main sessions: 34th E.S.O.M.A.R. Congress, Amsterdam 23-27 August 1981. ESOMAR.

Chicago Style (17th ed.) Citation

ESOMAR congress. Research for Profitability: Main Sessions: 34th E.S.O.M.A.R. Congress, Amsterdam 23-27 August 1981. Amsterdam: ESOMAR, 1981.

MLA (9th ed.) Citation

ESOMAR congress. Research for Profitability: Main Sessions: 34th E.S.O.M.A.R. Congress, Amsterdam 23-27 August 1981. ESOMAR, 1981.