APA Style
Haruna, Ahmad Osumanu. (2014).
HUMIC SUBSTANCES AND UREA USE IN AGRICULTURES .
malaysia:
Penerbit Universiti Kebangsaan Malaysia (UKM).
Chicago Style
Haruna, Ahmad Osumanu.
HUMIC SUBSTANCES AND UREA USE IN AGRICULTURES.
malaysia:
Penerbit Universiti Kebangsaan Malaysia (UKM),
2014.
Text.
MLA Style
Haruna, Ahmad Osumanu.
HUMIC SUBSTANCES AND UREA USE IN AGRICULTURES.
malaysia:
Penerbit Universiti Kebangsaan Malaysia (UKM),
2014.
Text.
Turabian Style
Haruna, Ahmad Osumanu.
HUMIC SUBSTANCES AND UREA USE IN AGRICULTURES.
malaysia:
Penerbit Universiti Kebangsaan Malaysia (UKM),
2014.
Print.