APA

Lindgren (C. Ernesto S) ;Slaby (Steve M), Dr.A.Selvakumar, . (1968). Four-Dimensional Descriptive Geometry. : .

Chicago

Lindgren (C. Ernesto S) ;Slaby (Steve M), Dr.A.Selvakumar, . 1968. Four-Dimensional Descriptive Geometry. : .

Harvard

Lindgren (C. Ernesto S) ;Slaby (Steve M), Dr.A.Selvakumar, . (1968). Four-Dimensional Descriptive Geometry. : .

MLA

Lindgren (C. Ernesto S) ;Slaby (Steve M), Dr.A.Selvakumar, . Four-Dimensional Descriptive Geometry. : . 1968.