Satchell, J. E. (1983). Earthworm ecology: From Darwin to vermiculture. Chapman and Hall.
Cita Chicago (17th ed.)Satchell, J. E. Earthworm Ecology: From Darwin to Vermiculture. Londres: Chapman and Hall, 1983.
Cita MLA (9th ed.)Satchell, J. E. Earthworm Ecology: From Darwin to Vermiculture. Chapman and Hall, 1983.
Atenció: Aquestes cites poden no estar 100% correctes.