APA (7th ed.) Citation

Doyle, S. A. C. (2002). Lembah ketakutan. Gramedia.

Chicago Style (17th ed.) Citation

Doyle, Sir Arthur Conan. Lembah Ketakutan. Gramedia, 2002.

MLA (9th ed.) Citation

Doyle, Sir Arthur Conan. Lembah Ketakutan. Gramedia, 2002.

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