APA

(1990). CAB thesaurus. Wallingford,Ox: C.A.B.International.

Chicago

1990. CAB thesaurus. Wallingford,Ox: C.A.B.International.

Harvard

(1990). CAB thesaurus. Wallingford,Ox: C.A.B.International.

MLA

CAB thesaurus. Wallingford,Ox: C.A.B.International. 1990.