Παραπομπή σε μορφή APA (7η εκδ.)

(1999). NO BULL object technology for executives / written and illustrated by William S. Perlman.

Παραπομπή σε μορφή Chicago (17η εκδ.)

NO BULL Object Technology for Executives / Written and Illustrated by William S. Perlman. 1999.

Παραπομπή σε μορφή MLA (9th εκδ.)

NO BULL Object Technology for Executives / Written and Illustrated by William S. Perlman. 1999.