OCLC, Meckler Corporation, Mecklermedia Corporation, & MCB University Press. (1993). OCLC systems & services. Meckler.
Citazione stile Chigago Style (17a edizione)OCLC, Meckler Corporation, Mecklermedia Corporation, e MCB University Press. OCLC Systems & Services. Westport, CT: Meckler, 1993.
Citatione MLA (9a ed.)OCLC, et al. OCLC Systems & Services. Meckler, 1993.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.