Cita APA (7th ed.)

Olson, S. S. (1999). International environmental standards handbook. Lewis Publishers.

Cita Chicago (17th ed.)

Olson, Scott S. International Environmental Standards Handbook. Boca Raton: Lewis Publishers, 1999.

Cita MLA (9th ed.)

Olson, Scott S. International Environmental Standards Handbook. Lewis Publishers, 1999.