APA Style
Allred, Ruel A.. (1981).
Key To Spelling Mastery .
America:
Economy Company.
Chicago Style
Allred, Ruel A..
Key To Spelling Mastery.
America:
Economy Company,
1981.
teks.
MLA Style
Allred, Ruel A..
Key To Spelling Mastery.
America:
Economy Company,
1981.
teks.
Turabian Style
Allred, Ruel A..
Key To Spelling Mastery.
America:
Economy Company,
1981.
teks.