Gaya APA
Rahmatika, J, C, M, E, :, S.
(2015).
Self Improvement 101
.
Surabaya:
Menuju Insan Cemerlang.
Gaya MLA
Rahmatika, John, C., Maxwell;, Editor, :, Sari.
"Self Improvement 101".
Surabaya:
Menuju Insan Cemerlang,
2015.
TEKS.