Gaya APA

Zaccarelli, H, E. (1988). Improving Employee Performance: Effective Training Strategies And Techniques (Cet. Pertama). United States of America: Crisp Publication.

Gaya MLA

Zaccarelli, Hermen, E. "Improving Employee Performance: Effective Training Strategies And Techniques". Cet. Pertama United States of America: Crisp Publication, 1988. BUKU.