APA Style
Friedrichsen, J.. (1977).
Manual of laboratory methods of plant and soil analysis .
Pematang Siantar:
MRS.
Chicago Style
Friedrichsen, J..
Manual of laboratory methods of plant and soil analysis.
Pematang Siantar:
MRS,
1977.
Hard Copy.
MLA Style
Friedrichsen, J..
Manual of laboratory methods of plant and soil analysis.
Pematang Siantar:
MRS,
1977.
Hard Copy.
Turabian Style
Friedrichsen, J..
Manual of laboratory methods of plant and soil analysis.
Pematang Siantar:
MRS,
1977.
Hard Copy.