Penggayaan APA
Ponta, Gheorghe M. L., Onac, Bogdan P.. (2019).
Cave and Karst Systems of Romania (1st ed.).
Cham:
Springer.
Chicago Style
Ponta, Gheorghe M. L., Onac, Bogdan P..
Cave and Karst Systems of Romania.
1st ed.
Cham:
Springer,
2019.
E Book.
MLA Style
Ponta, Gheorghe M. L., Onac, Bogdan P..
Cave and Karst Systems of Romania.
1st ed.
Cham:
Springer,
2019.
E Book.
Turabian Style
Ponta, Gheorghe M. L., Onac, Bogdan P..
Cave and Karst Systems of Romania.
1st ed.
Cham:
Springer,
2019.
E Book.