Gaya APA
MACKAY, H. (1999).
Dig Your Well Before You're Thristy: Solusi Jitu Membuka Pintu Sukses .
Jakarta:
Elex Media Komputindo.
Gaya MLA
MACKAY, Harley.
"Dig Your Well Before You're Thristy: Solusi Jitu Membuka Pintu Sukses".
Jakarta:
Elex Media Komputindo,
1999.
.