APA

Urdang Laurence,, . (1991). The Oxford thesaurus : An A-Z dictionary of synonyms. Oxford: Clarendon Press.

Chicago

Urdang Laurence,, . 1991. The Oxford thesaurus : An A-Z dictionary of synonyms. Oxford: Clarendon Press.

Harvard

Urdang Laurence,, . (1991). The Oxford thesaurus : An A-Z dictionary of synonyms. Oxford: Clarendon Press.

MLA

Urdang Laurence,, . The Oxford thesaurus : An A-Z dictionary of synonyms. Oxford: Clarendon Press. 1991.