Gaya APA

Frohman, A, L. (1993). (PASCA - MANAJEMEN) The Middle Management Challenge : Moving From Crisis to Empowerment (Edisi 1). USA: Mc Graw-Hill International Book Company.

Gaya MLA

Frohman, Alan, L. "(PASCA - MANAJEMEN) The Middle Management Challenge : Moving From Crisis to Empowerment". Edisi 1 USA: Mc Graw-Hill International Book Company, 1993. .