Gaya APA

Wurman, R, S. (1989). Information anxiety : what to do when information doesn't tell you what you need to know (Cetakan Pertama). America: Printed in thestate.

Gaya MLA

Wurman, Richard, Saul. "Information anxiety : what to do when information doesn't tell you what you need to know". Cetakan Pertama America: Printed in thestate, 1989. Text.