Gaya APA
Programed readers : for pupils of english as a second/third language book 1. (1978).
tempaterbit:
penerbit.
Gaya Chicago
Programed readers : for pupils of english as a second/third language book 1.
Edisi.
tempaterbit:
penerbit,
1978.
Text.
Gaya MLA
Programed readers : for pupils of english as a second/third language book 1.
Edisi.
tempaterbit:
penerbit,
1978.
Text.
Gaya Turabian
Programed readers : for pupils of english as a second/third language book 1.
tempaterbit:
penerbit,
1978.
Print.