APA Style

Drucker, Peter F. (2001). The Essential Drucker 5 Ed. (5). New York: HarperCollins.

Chicago Style

Drucker, Peter F. The Essential Drucker 5 Ed.. 5 New York: HarperCollins, 2001. Manajemen.

IEEE Style

*IEEE style untuk Skripsi

Drucker, Peter F. (2001). The Essential Drucker 5 Ed.. 5. New York: HarperCollins.

*IEEE style untuk Buku/Jurnal

Drucker, Peter F. The Essential Drucker 5 Ed.. 5. New York: HarperCollins, 2001.

MLA Style

Drucker, Peter F. The Essential Drucker 5 Ed.. 5 New York: HarperCollins, 2001. Manajemen.

Turabian Style

Drucker, Peter F. The Essential Drucker 5 Ed.. 5 New York: HarperCollins, 2001. Manajemen.