APA Style
Pearson, Helen. ().
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:
Macmilan Primary Text.
Chicago Style
Pearson, Helen.
Spelling Rules.
:
Macmilan Primary Text,
.
Text.
MLA Style
Pearson, Helen.
Spelling Rules.
:
Macmilan Primary Text,
.
Text.
Turabian Style
Pearson, Helen.
Spelling Rules.
:
Macmilan Primary Text,
.
Print.