Não informado. (1973). Reference Services Review. Pierian Press Publication.
Chicagoスタイル(17版)引用形式Não informado. Reference Services Review. Ann Arbor, Mich: Pierian Press Publication, 1973.
MLA(8版)引用形式Não informado. Reference Services Review. Pierian Press Publication, 1973.
警告: この引用は必ずしも正確ではありません.