Gaya APA
Maina, J, N.
(2005).
The Lung-Air Sac System of Birds
(
1st ed)
.
Berlin, Heidelberg:
Springer.
Gaya MLA
Maina, John, N..
"The Lung-Air Sac System of Birds".
1st ed
Berlin, Heidelberg:
Springer,
2005.
E Book.