APA Style

Beth, N. (1977). THE BOWKER A NNUAL OF LIBRARY IS BOOK TRADE INFORMATION (1). New York: Council of Natonl Library.

MLA Style

Beth, Nada. "THE BOWKER A NNUAL OF LIBRARY IS BOOK TRADE INFORMATION". 1 New York: Council of Natonl Library, 1977. المصادر المراجع.