Cita APA (7th ed.)

Smith, H. L. (1996). Energy and environment regulation. Macmillan Press.

Cita Chicago (17th ed.)

Smith, Helen Lawton. Energy and Environment Regulation. Houndmills, Basingstoke: Macmillan Press, 1996.

Cita MLA (9th ed.)

Smith, Helen Lawton. Energy and Environment Regulation. Macmillan Press, 1996.

Atenció: Aquestes cites poden no estar 100% correctes.