Gaya APA
Widayati, /, M, R, A, E, Y.
(2019).
Biologiku
.
Jakarta:
Jakarta : Sarana Pancakarya Nusa PT.
Gaya MLA
Widayati, /, Muhammad, Ramdhan, Adi;, Editor,, Yuli.
"Biologiku".
Jakarta:
Jakarta : Sarana Pancakarya Nusa PT,
2019.
Ebook.