Penggayaan APA
Petts, Geoffrey, Calow, Peter. (1996).
River flows and channel forms .
Great britain:
Blackwell Scientific.
Chicago Style
Petts, Geoffrey, Calow, Peter.
River flows and channel forms.
Great britain:
Blackwell Scientific,
1996.
Buku.
MLA Style
Petts, Geoffrey, Calow, Peter.
River flows and channel forms.
Great britain:
Blackwell Scientific,
1996.
Buku.
Turabian Style
Petts, Geoffrey, Calow, Peter.
River flows and channel forms.
Great britain:
Blackwell Scientific,
1996.
Buku.