APA
Padwick G., . (1993). CorelDRAW 4 instant reference. San Francisco: Sybex.
Chicago
Padwick Gordon, . 1993. CorelDRAW 4 instant reference. San Francisco: Sybex.
Harvard
Padwick G., . (1993). CorelDRAW 4 instant reference. San Francisco: Sybex.
MLA
Padwick Gordon, . CorelDRAW 4 instant reference. San Francisco: Sybex. 1993.