Gaya APA
Hartoko, A.
(2013).
Oceanographic characters and plankton resources of Indonesia
(
1)
.
Yogyakarta:
Graha Ilmu.
Gaya MLA
Hartoko, Agus.
"Oceanographic characters and plankton resources of Indonesia".
1
Yogyakarta:
Graha Ilmu,
2013.
Text.