Citazione Stile APA (7a Edizione)

Krouwel, B. (1999). Outdoor training: A sourcebook of activities for management trainers. Viva.

Citazione stile Chigago Style (17a edizione)

Krouwel, Bill. Outdoor Training: A Sourcebook of Activities for Management Trainers. New delhi: Viva, 1999.

Citatione MLA (9a ed.)

Krouwel, Bill. Outdoor Training: A Sourcebook of Activities for Management Trainers. Viva, 1999.