Cita APA (7a ed.)

GIBBS DAVID. (1988). AN INTRODUCTION TO CNC. E L B S.

Cita Chicago Style (17a ed.)

GIBBS DAVID. AN INTRODUCTION TO CNC. GREAT BRITAIN: E L B S, 1988.

Cita MLA (9a ed.)

GIBBS DAVID. AN INTRODUCTION TO CNC. E L B S, 1988.