APA-referens (7:e uppl.)
Rudder, J. (1991). Our native land: Researched and written for the ministry of environment and national services. UNEP.
Chicago-referens (17:e uppl.)
Rudder, Joy. Our Native Land: Researched and Written for the Ministry of Environment and National Services. Trinidad: UNEP, 1991.
MLA-referens (9:e uppl.)
Rudder, Joy. Our Native Land: Researched and Written for the Ministry of Environment and National Services. UNEP, 1991.
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