Gaya APA
Silverleaf, A.. ().
Overall trends in the development of transport: 1980-1990 .
:
s.n..
Gaya Chicago
Silverleaf, A..
Overall trends in the development of transport: 1980-1990.
:
s.n.,
.
Chart.
Gaya MLA
Silverleaf, A..
Overall trends in the development of transport: 1980-1990.
:
s.n.,
.
Chart.
Gaya Turabian
Silverleaf, A..
Overall trends in the development of transport: 1980-1990.
:
s.n.,
.
Chart.