Gaya APA
Sheldon, S., Susilastuti, T.
(1990).
Butir-Butir Waktu
.
Jakarta:
Gramedia.
Gaya MLA
Sheldon, Sidney., Susilastuti, Therees.
"Butir-Butir Waktu".
Jakarta:
Gramedia,
1990.
Text / Book.