Gaya APA
Systematic Botany. (2009).
Harrow:
Alpha Science International.
Gaya Chicago
Systematic Botany.
2nd.
Harrow:
Alpha Science International,
2009.
Buku.
Gaya MLA
Systematic Botany.
2nd.
Harrow:
Alpha Science International,
2009.
Buku.
Gaya Turabian
Systematic Botany.
Harrow:
Alpha Science International,
2009.
Buku.