APA-ийн эшлэл(7 дахь хэвлэлт)

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

Чикаго-гийн эшлэл (17 дахь хэвлэлт)

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

MLA -ийн эшлэл (9 дэх хэвлэлт)

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