APA (7th ed.) Citation

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

Chicago Style (17th ed.) Citation

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

MLA (9th ed.) Citation

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