Cita APA (7a ed.)

ESOMAR. (1971). From experience to innovation: ESOMAR-WAPOR Congress 1971, Helsinki, 22-26 August. Esomar.

Cita Chicago Style (17a ed.)

ESOMAR. From Experience to Innovation: ESOMAR-WAPOR Congress 1971, Helsinki, 22-26 August. Amsterdam: Esomar, 1971.

Cita MLA (9a ed.)

ESOMAR. From Experience to Innovation: ESOMAR-WAPOR Congress 1971, Helsinki, 22-26 August. Esomar, 1971.