Gaya APA

Stone, E, W. (1971). Library trends= a publication of the univsity of illinois graduate school of library science volume 20 (Jilid 20). : University of Illinois Press.

Gaya MLA

Stone, Elizabeth, W.. "Library trends= a publication of the univsity of illinois graduate school of library science volume 20". Jilid 20 : University of Illinois Press, 1971. Text.