Penggayaan APA
Hartley, Peter V. (1979).
Steamline English ; Connections Part A. .
[s.l]:
[s.n].
Chicago Style
Hartley, Peter V.
Steamline English ; Connections Part A..
[s.l]:
[s.n],
1979.
Text.
MLA Style
Hartley, Peter V.
Steamline English ; Connections Part A..
[s.l]:
[s.n],
1979.
Text.
Turabian Style
Hartley, Peter V.
Steamline English ; Connections Part A..
[s.l]:
[s.n],
1979.
Print.