Introduction to electrodynamics, Griffith (3rd edition, prentiss Hall 1999)→ California Institute of Technology (optional) → Introduction to electrodynamics (translated version) Griffith; Translated by Jia Yu, Machinery Industry Press.
Electromagnetic fields and waves, Lorrain (third edition, Freeman 1988)→ Cambridge University (optional) →? Electromagnetic field and electromagnetic wave (translated version) Lauran; Chen Chengjun, People's Education Press.