Gaya APA
Bonham, C., D. (2013).
Measurements for Terrestrial Vegetation Second Edition (Second Edition).
Colorado:
John Wiley & Sons, Ltd..
Gaya MLA
Bonham, Charles, D..
"Measurements for Terrestrial Vegetation Second Edition".
Second Edition
Colorado:
John Wiley & Sons, Ltd.,
2013.
Buku Pelajaran.