Gaya APA

Silalahi, E, M. (2021). Intellectual Capital: Improve Your Employee Productivity and Performance (Cetakan Pertama). Yogyakarta: Deepublish.

Gaya MLA

Silalahi, Elvie, Maria. "Intellectual Capital: Improve Your Employee Productivity and Performance". Cetakan Pertama Yogyakarta: Deepublish, 2021. BUKU.