Laing Communications Inc. Laing Research Services. (1991). Correlating museum and exhibition attendance with book and catalog sales. Laing Research Services.
Cita Chicago (17th ed.)Laing Communications Inc. Laing Research Services. Correlating Museum and Exhibition Attendance with Book and Catalog Sales. Bellevue, WA: Laing Research Services, 1991.
Cita MLA (8th ed.)Laing Communications Inc. Laing Research Services. Correlating Museum and Exhibition Attendance with Book and Catalog Sales. Laing Research Services, 1991.
Atenció: Aquestes cites poden no estar 100% correctes.