Gaya APA
V.Lake, E., J., Ackrill, G., R.,
. (1993).
Environmental change and human health (1).
New York:
John Wiley & Sons.
Gaya MLA
V.Lake, E., J., Ackrill, G., R.,
..
Environmental change and human health.
1
New York:
John Wiley & Sons,
1993.
Text.