Lofland, John. Analyzing social settings : a guide to qualitative observation and analysis / John Lofland, Lyn H. Lofland. - 2nd ed. - Belmont, Calif. : Wadsworth Pub. Co., c1984. - xviii, 186 p. : ill. ; 23 cm. Includes index. ISBN: 0534028144 (pbk.) LCCN: 83010346 LC Class. No.: HM48 .L63 1984 / .L63 1984 Dewey Class. No.: 301/.072