Gaya APA
Lesmana, Y., Utama, B, S. (2017).
Memorizing Like an Elephant : for Professionals .
Jakarta:
kepustakaan populer gramedia.
Gaya MLA
Lesmana, Yudi., Utama, Bay, Septa.
"Memorizing Like an Elephant : for Professionals".
Jakarta:
kepustakaan populer gramedia,
2017.
Printed Book.