Gaya APA
Purves, William K, Orians, Gordon H. (1987).
Life : the science of biology (2e).
Sunderland:
Sinauer.
Gaya Chicago
Purves, William K, Orians, Gordon H.
Life : the science of biology.
2e
Sunderland:
Sinauer,
1987.
Buku.
Gaya MLA
Purves, William K, Orians, Gordon H.
Life : the science of biology.
2e
Sunderland:
Sinauer,
1987.
Buku.
Gaya Turabian
Purves, William K, Orians, Gordon H.
Life : the science of biology.
2e
Sunderland:
Sinauer,
1987.
Buku.