Gaya APA
Marran, James F, Salter, Cathy L. (1997).
Geography World: Grade 6 .
USA:
SRA McGraw-Hill.
Gaya Chicago
Marran, James F, Salter, Cathy L.
Geography World: Grade 6.
USA:
SRA McGraw-Hill,
1997.
Buku.
Gaya MLA
Marran, James F, Salter, Cathy L.
Geography World: Grade 6.
USA:
SRA McGraw-Hill,
1997.
Buku.
Gaya Turabian
Marran, James F, Salter, Cathy L.
Geography World: Grade 6.
USA:
SRA McGraw-Hill,
1997.
Buku.