Gaya APA
Virginia A. Arnold, Carl B. smith. ().
Observing .
:
Mcmillan/McGraw - Hill School Publishing Company.
Gaya Chicago
Virginia A. Arnold, Carl B. smith.
Observing.
:
Mcmillan/McGraw - Hill School Publishing Company,
.
.
Gaya MLA
Virginia A. Arnold, Carl B. smith.
Observing.
:
Mcmillan/McGraw - Hill School Publishing Company,
.
.
Gaya Turabian
Virginia A. Arnold, Carl B. smith.
Observing.
:
Mcmillan/McGraw - Hill School Publishing Company,
.
.