Jelaskan Silsilah dari Chōsokabe Motochika

Yamamoto Takeshi. Chōsokabe Motochika (長宗我部元親). Yoshikawa Kōbunkan, 1987. ISBN 4-642-05103-1

Yamamoto Takeshi, editor. Chōsokabe Motochika no subete (長宗我部元親のすべて). Shin-jinbutsuoraisha, 1989. ISBN 4-404-01624-7

Rekishi gunzō series 29, Chōsokabe Motochika (歴史群像シリーズ29 長宗我部元親). Gakken, 1992.

Yoshida Takayo, Iwahara Nobumori. Tosa monogatari (土佐物語). Akashi Shoten, 1997. ISBN 4-7503-0941-9

Izumi Jun. Motochika-ki (元親記) dalam seri Nihon kassen sōdō sōsho (日本合戦騒動叢書). Bensey, 1994. ISBN 4-585-05106-6