Weaver, David B. Ecotourism / David Weaver - 2nd ed. - Milton Qld. : John Wiley & Sons Australia, Ltd., 2008 - xii, 348 p. : ill. ; 25 cm. Includes bibliographical references and index ISBN: 9780470813041 (pbk.) RM117.13 0470813040 (pbk.) Subjects--Topical Terms: Ecotourism