APA aipamena

Morgan, D. L., & Krueger, R. A. (1998). Focus group kit. SAGE.

Chicago Style aipamena

Morgan, David L., and Richard A. Krueger. Focus Group Kit. Thousand Oaks, California: SAGE, 1998.

MLA aipamena

Morgan, David L., and Richard A. Krueger. Focus Group Kit. SAGE, 1998.