APA Style
Gortemaker, Hans, Philip Wallage, Hayes, Rick. ().
.
:
.
Chicago Style
Gortemaker, Hans, Philip Wallage, Hayes, Rick.
.
:
,
.
.
MLA Style
Gortemaker, Hans, Philip Wallage, Hayes, Rick.
.
:
,
.
.
Turabian Style
Gortemaker, Hans, Philip Wallage, Hayes, Rick.
.
:
,
.
.