APA Style
TOBING, E.L. (1977).
DISPLACEMENT OF POTASSIUM , MAGNESIUM AND SODIUM FROM A FERTILIZED ACID VOLCANIC SOIL UNDER OIL PLAMS IN NORTH - SUMATRA .
MARIHAT ULU, P.SIANTAR:
MARIHAT RESEARCH STATION.
Chicago Style
TOBING, E.L.
DISPLACEMENT OF POTASSIUM , MAGNESIUM AND SODIUM FROM A FERTILIZED ACID VOLCANIC SOIL UNDER OIL PLAMS IN NORTH - SUMATRA.
MARIHAT ULU, P.SIANTAR:
MARIHAT RESEARCH STATION,
1977.
Text.
MLA Style
TOBING, E.L.
DISPLACEMENT OF POTASSIUM , MAGNESIUM AND SODIUM FROM A FERTILIZED ACID VOLCANIC SOIL UNDER OIL PLAMS IN NORTH - SUMATRA.
MARIHAT ULU, P.SIANTAR:
MARIHAT RESEARCH STATION,
1977.
Text.
Turabian Style
TOBING, E.L.
DISPLACEMENT OF POTASSIUM , MAGNESIUM AND SODIUM FROM A FERTILIZED ACID VOLCANIC SOIL UNDER OIL PLAMS IN NORTH - SUMATRA.
MARIHAT ULU, P.SIANTAR:
MARIHAT RESEARCH STATION,
1977.
Print.