APA Style
Grolier Programmed English Course Guide. ().
:
Grolier International,Inc - Pusat Penerbitan LIA.
Chicago Style
Grolier Programmed English Course Guide.
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:
Grolier International,Inc - Pusat Penerbitan LIA,
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Text.
MLA Style
Grolier Programmed English Course Guide.
.
:
Grolier International,Inc - Pusat Penerbitan LIA,
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Text.
Turabian Style
Grolier Programmed English Course Guide.
:
Grolier International,Inc - Pusat Penerbitan LIA,
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Print.