APA

Marrin (Chris) ;Campbell (Bruce), . (1998). Teach Yourself Vrml 2 In 21 Days (With Cd Rom). : .

Chicago

Marrin (Chris) ;Campbell (Bruce), . 1998. Teach Yourself Vrml 2 In 21 Days (With Cd Rom). : .

Harvard

Marrin (Chris) ;Campbell (Bruce), . (1998). Teach Yourself Vrml 2 In 21 Days (With Cd Rom). : .

MLA

Marrin (Chris) ;Campbell (Bruce), . Teach Yourself Vrml 2 In 21 Days (With Cd Rom). : . 1998.