APA (7th ed.) Citation

Brain ,Marshall. (2003). Berapakah berat bumi ? / Marshall Brain. Jakarta: Pakar Raya.

Chicago Style (17th ed.) Citation

Brain ,Marshall. Berapakah Berat Bumi ? / Marshall Brain. Jakarta: Pakar Raya, 2003.

MLA (8th ed.) Citation

Brain ,Marshall. Berapakah Berat Bumi ? / Marshall Brain. Jakarta: Pakar Raya, 2003.

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