Langford, M. 1933- Basic photography / by print resource Michael Langford. - 6th ed. - Boston : Focal Press, 1997. - x, 310 p. : ill. ; 25 cm. Includes index. ISBN: 0240514858 LCCN: 97210537 Subjects--Topical Terms: Photography. LC Class. No.: TR145 / .L36 1997