Harahap, A. E. (1977). Practises Netherlands (Bahasa Belanda Tanpa Guru).
Chicago Style CitationHarahap, A. Effendi. Practises Netherlands (Bahasa Belanda Tanpa Guru). 1977.
MLA CitationHarahap, A. Effendi. Practises Netherlands (Bahasa Belanda Tanpa Guru). 1977.
Warning: These citations may not always be 100% accurate.