Gaya APA
Simpala, M, M., Kusuma, A.
(2017).
Kelapa
.
Yogyakarta:
Lili Publisher.
Gaya MLA
Simpala, Mawardin, M.., Kusuma, Aditya.
"Kelapa".
Yogyakarta:
Lili Publisher,
2017.
Buku.