APA Style
Clemens, J, K., Albrecht, S. (1997).
The Timeless Leader = Pemimpin Sepanjang Masa .
Jakarta:
Professional Books.
MLA Style
Clemens, John, K.., Albrecht, Steve.
"The Timeless Leader = Pemimpin Sepanjang Masa".
Jakarta:
Professional Books,
1997.
Teks.