Gaya APA
Lubis, P, D, N, A, F. (2016).
40 NASEHAT Prof Dr Nur Ahmad Fadhil Lubis (Cet.1).
Medan:
Perdana Publishing.
Gaya MLA
Lubis, Prof, Dr, Nur, Ahmad, Fadhil.
"40 NASEHAT Prof Dr Nur Ahmad Fadhil Lubis".
Cet.1
Medan:
Perdana Publishing,
2016.
E-Book-AT.