Gaya APA
Clayton, Nanalee. (1994).
Young Living (Ed.6).
Boston:
McGraw-Hill.
Gaya Chicago
Clayton, Nanalee.
Young Living.
Ed.6
Boston:
McGraw-Hill,
1994.
Buku Tercetak.
Gaya MLA
Clayton, Nanalee.
Young Living.
Ed.6
Boston:
McGraw-Hill,
1994.
Buku Tercetak.
Gaya Turabian
Clayton, Nanalee.
Young Living.
Ed.6
Boston:
McGraw-Hill,
1994.
Buku Tercetak.