Gaya APA
Birch, Paul. (2006).
Instant Leadership .
Jakarta:
Esensi.
Gaya Chicago
Birch, Paul.
Instant Leadership.
Jakarta:
Esensi,
2006.
Buku.
Gaya MLA
Birch, Paul.
Instant Leadership.
Jakarta:
Esensi,
2006.
Buku.
Gaya Turabian
Birch, Paul.
Instant Leadership.
Jakarta:
Esensi,
2006.
Buku.