Bigham, D. A. (1975). The law and administration relating to protection of the environment: Supplement with noter-up to 1st December 1974. Oyez Pub.
Chicago-viite (17. p.)Bigham, D. Alastair. The Law and Administration Relating to Protection of the Environment: Supplement with Noter-up to 1st December 1974. London: Oyez Pub, 1975.
MLA-viite (9. p.)Bigham, D. Alastair. The Law and Administration Relating to Protection of the Environment: Supplement with Noter-up to 1st December 1974. Oyez Pub, 1975.
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