Παραπομπή APA

Ryder, R. A. (1980). engineers' computer hand book. Thomas Telford.

Παραπομπή Chicago Style

Ryder, R A. Engineers' Computer Hand Book. London: Thomas Telford, 1980.

Παραπομπή MLA

Ryder, R A. Engineers' Computer Hand Book. Thomas Telford, 1980.