Gaya APA
Youngken, Heber W. (1951).
Pharmaceutical Botany Seventh Edition (Seventh Edition).
Philadelphia:
The Blakiston Company.
Gaya Chicago
Youngken, Heber W.
Pharmaceutical Botany Seventh Edition.
Seventh Edition
Philadelphia:
The Blakiston Company,
1951.
.
Gaya MLA
Youngken, Heber W.
Pharmaceutical Botany Seventh Edition.
Seventh Edition
Philadelphia:
The Blakiston Company,
1951.
.
Gaya Turabian
Youngken, Heber W.
Pharmaceutical Botany Seventh Edition.
Seventh Edition
Philadelphia:
The Blakiston Company,
1951.
.