Gaya APA
Timpe, A. Dale. (1991).
Mengelola Waktu : The Management of Time .
Jakarta:
Elex Media Komputindo.
Gaya Chicago
Timpe, A. Dale.
Mengelola Waktu : The Management of Time.
Jakarta:
Elex Media Komputindo,
1991.
Text.
Gaya MLA
Timpe, A. Dale.
Mengelola Waktu : The Management of Time.
Jakarta:
Elex Media Komputindo,
1991.
Text.
Gaya Turabian
Timpe, A. Dale.
Mengelola Waktu : The Management of Time.
Jakarta:
Elex Media Komputindo,
1991.
Print.