Gaya APA

Silalahi, E, M. (2021). Buku Referensi Intellectual Capital Improve Your Employee Productivity and Performance . Yogyakarta: DeePublish.

Gaya MLA

Silalahi, Elvie, Maria. "Buku Referensi Intellectual Capital Improve Your Employee Productivity and Performance". Yogyakarta: DeePublish, 2021. Art Original.