Cita APA (7a ed.)

Roberts, C. B. (1991). Environmental disclosures: A note on reporting practices in Mainland Europe. [s.n.].

Cita Chicago Style (17a ed.)

Roberts, Clare B. Environmental Disclosures: A Note on Reporting Practices in Mainland Europe. [S.l.]: [s.n.], 1991.

Cita MLA (9a ed.)

Roberts, Clare B. Environmental Disclosures: A Note on Reporting Practices in Mainland Europe. [s.n.], 1991.