Gaya APA
Silbermen, M, L., Auerbach, C. (1998).
Activa training : a handbook of techniques, designs, case examples, and trips (Ed.2).
San Francisco:
Jossey-Bass.
Gaya MLA
Silbermen, Melvin, L., Auerbach, Carol.
"Activa training : a handbook of techniques, designs, case examples, and trips".
Ed.2
San Francisco:
Jossey-Bass,
1998.
Buku Tercetak.