Ahmad Erhan. (2019). Vektor. Buku prima / Grupbuku Karangkraf.
Chicago Style (17th ed.) CitationAhmad Erhan. Vektor. Shah Alam, Selangor: Buku prima / Grupbuku Karangkraf, 2019.
MLA (9th ed.) CitationAhmad Erhan. Vektor. Buku prima / Grupbuku Karangkraf, 2019.
Warning: These citations may not always be 100% accurate.