Gaya APA

Lanner, A, H. et al (1987). Ways to writing purpose, task, and process (2nd ed). United States of America: Library of Congress Cataloging.

Gaya MLA

Lanner, Allen, H.. et al. "Ways to writing purpose, task, and process". 2nd ed United States of America: Library of Congress Cataloging, 1987. Printed Book.