Gaya APA
Baur, John I.H.. (1958).
Nature in abstraction .
New York:
The Macmillan Company.
Gaya Chicago
Baur, John I.H..
Nature in abstraction.
New York:
The Macmillan Company,
1958.
.
Gaya MLA
Baur, John I.H..
Nature in abstraction.
New York:
The Macmillan Company,
1958.
.
Gaya Turabian
Baur, John I.H..
Nature in abstraction.
New York:
The Macmillan Company,
1958.
.