Gaya APA
Parks, Sylvia F.. (1978).
Business type writing (2nd ed).
Estover:
Mcdonald & Evans.
Gaya Chicago
Parks, Sylvia F..
Business type writing.
2nd ed
Estover:
Mcdonald & Evans,
1978.
Text.
Gaya MLA
Parks, Sylvia F..
Business type writing.
2nd ed
Estover:
Mcdonald & Evans,
1978.
Text.
Gaya Turabian
Parks, Sylvia F..
Business type writing.
2nd ed
Estover:
Mcdonald & Evans,
1978.
Print.