A guide to the project management body of knowledge (PMBOK guide). PMBOK guide - 4th edition. - Newtown Square, Penn., USA : Project Management Institute, 2008. - xxvi, 467p. : ill. ; 28 cm. Includes index. ISBN: 1880410230 (pbk. : alk. paper) 1930699107 (Q & As booklet) 9781933890517 LCCN: 00051727 Subjects--Topical Terms: Project management.