Catalogue Persistent Identifier
https://nla.gov.au/nla.cat-vn2713759
APA Citation
Gale Research Inc. (1991). Telecommunications directory.
MLA Citation
Gale Research Inc. Telecommunications directory 1991
Australian/Harvard Citation
Gale Research Inc. 1991, Telecommunications directory
Wikipedia Citation
{{Citation | title=[article title here] | author=[article author here] | author2=[first co-author here] | date=[date of publication] | journal=Telecommunications directory | author1=Gale Research Inc | publisher=Gale Research | language=English }}