Gaya APA
GIPPENREITER, Vadim, PERKINS, Robert (pengantar). (1992).
Kamchatka land of fire and ice .
London:
Laurence King.
Gaya Chicago
GIPPENREITER, Vadim, PERKINS, Robert (pengantar).
Kamchatka land of fire and ice.
London:
Laurence King,
1992.
.
Gaya MLA
GIPPENREITER, Vadim, PERKINS, Robert (pengantar).
Kamchatka land of fire and ice.
London:
Laurence King,
1992.
.
Gaya Turabian
GIPPENREITER, Vadim, PERKINS, Robert (pengantar).
Kamchatka land of fire and ice.
London:
Laurence King,
1992.
.