APA Style
Sigmond, Alexius A.J.. ().
The Principles of Soil Science (1).
:
.
Chicago Style
Sigmond, Alexius A.J..
The Principles of Soil Science.
1
:
,
.
Hard Copy.
MLA Style
Sigmond, Alexius A.J..
The Principles of Soil Science.
1
:
,
.
Hard Copy.
Turabian Style
Sigmond, Alexius A.J..
The Principles of Soil Science.
1
:
,
.
Hard Copy.