Penggayaan APA
Martin, Alexander. (1977).
Introduction to soil microbiology .
New York:
.
Chicago Style
Martin, Alexander.
Introduction to soil microbiology.
New York:
,
1977.
Buku.
MLA Style
Martin, Alexander.
Introduction to soil microbiology.
New York:
,
1977.
Buku.
Turabian Style
Martin, Alexander.
Introduction to soil microbiology.
New York:
,
1977.
Buku.