APA
(1982). Guidelines for the preparation of bibliographies. Beltsville, USA: National Agricultural Library.
Chicago
1982. Guidelines for the preparation of bibliographies. Beltsville, USA: National Agricultural Library.
Harvard
(1982). Guidelines for the preparation of bibliographies. Beltsville, USA: National Agricultural Library.
MLA
Guidelines for the preparation of bibliographies. Beltsville, USA: National Agricultural Library. 1982.
