SAYONG. (2005). richard trevithick penemu lokomotif. PT Elex Media Komputindo.
Chicago Style (17th ed.) CitationSAYONG. Richard Trevithick Penemu Lokomotif. PT Elex Media Komputindo, 2005.
MLA (8th ed.) CitationSAYONG. Richard Trevithick Penemu Lokomotif. PT Elex Media Komputindo, 2005.
Warning: These citations may not always be 100% accurate.