Gaya APA

Cullen, J., D'Innocenzo, L. (2000). The Agile's manager's guide to coaching to maximize performance . Bristol: Velocity Business.

Gaya MLA

Cullen, Jack., D'Innocenzo, Len. "The Agile's manager's guide to coaching to maximize performance". Bristol: Velocity Business, 2000. Buku/Printed Material.