Gaya APA
Howes, Virgil M.. (1974).
Informal teaching in the open classroom .
New York:
Macmillan.
Gaya Chicago
Howes, Virgil M..
Informal teaching in the open classroom.
New York:
Macmillan,
1974.
Text.
Gaya MLA
Howes, Virgil M..
Informal teaching in the open classroom.
New York:
Macmillan,
1974.
Text.
Gaya Turabian
Howes, Virgil M..
Informal teaching in the open classroom.
New York:
Macmillan,
1974.
Print.