Gaya APA
Morgan, R.P.C.. (1981).
SOIL conservation : problems and prospects / ed. R.P.C. Morgan .
Chichester:
John Wiley n Sons.
Gaya Chicago
Morgan, R.P.C..
SOIL conservation : problems and prospects / ed. R.P.C. Morgan.
Chichester:
John Wiley n Sons,
1981.
Text.
Gaya MLA
Morgan, R.P.C..
SOIL conservation : problems and prospects / ed. R.P.C. Morgan.
Chichester:
John Wiley n Sons,
1981.
Text.
Gaya Turabian
Morgan, R.P.C..
SOIL conservation : problems and prospects / ed. R.P.C. Morgan.
Chichester:
John Wiley n Sons,
1981.
Print.