Doyle Arthur Conan. Sherlock Holmes Black Peter. Shree Book Center.
Cita Chicago (17th ed.)Doyle Arthur Conan. Sherlock Holmes Black Peter. Mumbai: Shree Book Center.
Cita MLA (9th ed.)Doyle Arthur Conan. Sherlock Holmes Black Peter. Shree Book Center.
Atenció: Aquestes cites poden no estar 100% correctes.