Harker, G. P. (1916). The analysis of toluene and benzene in coal tar oils. Zenodo.
Cita Chicago (17th ed.)Harker, George Percy. The Analysis of Toluene and Benzene in Coal Tar Oils. Zenodo, 1916.
Cita MLA (9th ed.)Harker, George Percy. The Analysis of Toluene and Benzene in Coal Tar Oils. Zenodo, 1916.
Atenció: Aquestes cites poden no estar 100% correctes.