Gaya APA
Howell, F, C.
(1980).
Pustaka Alam Life: Manusia Purba
.
Jakarta:
Tira Pustaka.
Gaya MLA
Howell, F., Clark.
"Pustaka Alam Life: Manusia Purba".
Jakarta:
Tira Pustaka,
1980.
Book - Hardcover.